From 9a5ee494d023f67003c8bfaec2f960918f633b5a Mon Sep 17 00:00:00 2001
From: James Nylen <jnylen@gmail.com>
Date: Fri, 30 Jun 2017 05:22:21 +0200
Subject: [PATCH] Improve consistency of block names (#1593)

---
 blocks/library/embed/index.js                 | 279 +++++++++++++++---
 blocks/library/latest-posts/index.js          |  18 +-
 blocks/library/latest-posts/style.scss        |   4 +-
 blocks/test/fixtures/README.md                |  20 +-
 blocks/test/fixtures/core-embed__animoto.html |   6 +
 ...danimoto.json => core-embed__animoto.json} |   2 +-
 .../fixtures/core-embed__animoto.parsed.json  |  13 +
 .../core-embed__animoto.serialized.html       |   7 +
 blocks/test/fixtures/core-embed__cloudup.html |   6 +
 ...dcloudup.json => core-embed__cloudup.json} |   2 +-
 .../fixtures/core-embed__cloudup.parsed.json  |  13 +
 .../core-embed__cloudup.serialized.html       |   7 +
 .../fixtures/core-embed__collegehumor.html    |   6 +
 ...mor.json => core-embed__collegehumor.json} |   2 +-
 .../core-embed__collegehumor.parsed.json      |  13 +
 .../core-embed__collegehumor.serialized.html  |   7 +
 .../fixtures/core-embed__dailymotion.html     |   6 +
 ...tion.json => core-embed__dailymotion.json} |   2 +-
 .../core-embed__dailymotion.parsed.json       |  13 +
 .../core-embed__dailymotion.serialized.html   |   7 +
 .../test/fixtures/core-embed__facebook.html   |   6 +
 ...acebook.json => core-embed__facebook.json} |   2 +-
 .../fixtures/core-embed__facebook.parsed.json |  13 +
 .../core-embed__facebook.serialized.html      |   7 +
 blocks/test/fixtures/core-embed__flickr.html  |   6 +
 ...bedflickr.json => core-embed__flickr.json} |   2 +-
 .../fixtures/core-embed__flickr.parsed.json   |  13 +
 .../core-embed__flickr.serialized.html        |   7 +
 .../test/fixtures/core-embed__funnyordie.html |   6 +
 ...ordie.json => core-embed__funnyordie.json} |   2 +-
 .../core-embed__funnyordie.parsed.json        |  13 +
 .../core-embed__funnyordie.serialized.html    |   7 +
 blocks/test/fixtures/core-embed__hulu.html    |   6 +
 ...e-embedhulu.json => core-embed__hulu.json} |   2 +-
 .../fixtures/core-embed__hulu.parsed.json     |  13 +
 .../fixtures/core-embed__hulu.serialized.html |   7 +
 blocks/test/fixtures/core-embed__imgur.html   |   6 +
 ...embedimgur.json => core-embed__imgur.json} |   2 +-
 .../fixtures/core-embed__imgur.parsed.json    |  13 +
 .../core-embed__imgur.serialized.html         |   7 +
 .../test/fixtures/core-embed__instagram.html  |   6 +
 ...tagram.json => core-embed__instagram.json} |   2 +-
 .../core-embed__instagram.parsed.json         |  13 +
 .../core-embed__instagram.serialized.html     |   7 +
 blocks/test/fixtures/core-embed__issuu.html   |   6 +
 ...embedissuu.json => core-embed__issuu.json} |   2 +-
 .../fixtures/core-embed__issuu.parsed.json    |  13 +
 .../core-embed__issuu.serialized.html         |   7 +
 .../fixtures/core-embed__kickstarter.html     |   6 +
 ...rter.json => core-embed__kickstarter.json} |   2 +-
 .../core-embed__kickstarter.parsed.json       |  13 +
 .../core-embed__kickstarter.serialized.html   |   7 +
 .../test/fixtures/core-embed__meetup-com.html |   6 +
 .../test/fixtures/core-embed__meetup-com.json |  12 +
 .../core-embed__meetup-com.parsed.json        |  13 +
 .../core-embed__meetup-com.serialized.html    |   7 +
 .../test/fixtures/core-embed__mixcloud.html   |   6 +
 ...ixcloud.json => core-embed__mixcloud.json} |   2 +-
 .../fixtures/core-embed__mixcloud.parsed.json |  13 +
 .../core-embed__mixcloud.serialized.html      |   7 +
 .../fixtures/core-embed__photobucket.html     |   6 +
 ...cket.json => core-embed__photobucket.json} |   2 +-
 .../core-embed__photobucket.parsed.json       |  13 +
 .../core-embed__photobucket.serialized.html   |   7 +
 .../test/fixtures/core-embed__polldaddy.html  |   6 +
 ...ldaddy.json => core-embed__polldaddy.json} |   2 +-
 .../core-embed__polldaddy.parsed.json         |  13 +
 .../core-embed__polldaddy.serialized.html     |   7 +
 blocks/test/fixtures/core-embed__reddit.html  |   6 +
 ...bedreddit.json => core-embed__reddit.json} |   2 +-
 .../fixtures/core-embed__reddit.parsed.json   |  13 +
 .../core-embed__reddit.serialized.html        |   7 +
 .../fixtures/core-embed__reverbnation.html    |   6 +
 ...ion.json => core-embed__reverbnation.json} |   2 +-
 .../core-embed__reverbnation.parsed.json      |  13 +
 .../core-embed__reverbnation.serialized.html  |   7 +
 .../test/fixtures/core-embed__screencast.html |   6 +
 ...ncast.json => core-embed__screencast.json} |   2 +-
 .../core-embed__screencast.parsed.json        |  13 +
 .../core-embed__screencast.serialized.html    |   7 +
 blocks/test/fixtures/core-embed__scribd.html  |   6 +
 ...bedscribd.json => core-embed__scribd.json} |   2 +-
 .../fixtures/core-embed__scribd.parsed.json   |  13 +
 .../core-embed__scribd.serialized.html        |   7 +
 .../test/fixtures/core-embed__slideshare.html |   6 +
 ...share.json => core-embed__slideshare.json} |   2 +-
 .../core-embed__slideshare.parsed.json        |  13 +
 .../core-embed__slideshare.serialized.html    |   7 +
 blocks/test/fixtures/core-embed__smugmug.html |   6 +
 ...dsmugmug.json => core-embed__smugmug.json} |   2 +-
 .../fixtures/core-embed__smugmug.parsed.json  |  13 +
 .../core-embed__smugmug.serialized.html       |   7 +
 .../test/fixtures/core-embed__soundcloud.html |   6 +
 ...cloud.json => core-embed__soundcloud.json} |   2 +-
 .../core-embed__soundcloud.parsed.json        |  13 +
 .../core-embed__soundcloud.serialized.html    |   7 +
 blocks/test/fixtures/core-embed__speaker.html |   6 +
 ...dspeaker.json => core-embed__speaker.json} |   2 +-
 .../fixtures/core-embed__speaker.parsed.json  |  13 +
 .../core-embed__speaker.serialized.html       |   7 +
 blocks/test/fixtures/core-embed__spotify.html |   6 +
 ...dspotify.json => core-embed__spotify.json} |   2 +-
 .../fixtures/core-embed__spotify.parsed.json  |  13 +
 .../core-embed__spotify.serialized.html       |   7 +
 blocks/test/fixtures/core-embed__ted.html     |   6 +
 ...ore-embedted.json => core-embed__ted.json} |   2 +-
 .../test/fixtures/core-embed__ted.parsed.json |  13 +
 .../fixtures/core-embed__ted.serialized.html  |   7 +
 blocks/test/fixtures/core-embed__tumblr.html  |   6 +
 ...bedtumblr.json => core-embed__tumblr.json} |   2 +-
 .../fixtures/core-embed__tumblr.parsed.json   |  13 +
 .../core-embed__tumblr.serialized.html        |   7 +
 blocks/test/fixtures/core-embed__twitter.html |   6 +
 ...dtwitter.json => core-embed__twitter.json} |   2 +-
 .../fixtures/core-embed__twitter.parsed.json  |  13 +
 .../core-embed__twitter.serialized.html       |   7 +
 .../test/fixtures/core-embed__videopress.html |   6 +
 ...press.json => core-embed__videopress.json} |   2 +-
 .../core-embed__videopress.parsed.json        |  13 +
 .../core-embed__videopress.serialized.html    |   7 +
 blocks/test/fixtures/core-embed__vimeo.html   |   6 +
 ...embedvimeo.json => core-embed__vimeo.json} |   2 +-
 .../fixtures/core-embed__vimeo.parsed.json    |  13 +
 .../core-embed__vimeo.serialized.html         |   7 +
 blocks/test/fixtures/core-embed__vine.html    |   6 +
 ...e-embedvine.json => core-embed__vine.json} |   2 +-
 .../fixtures/core-embed__vine.parsed.json     |  13 +
 .../fixtures/core-embed__vine.serialized.html |   7 +
 .../fixtures/core-embed__wordpress-tv.html    |   6 +
 .../fixtures/core-embed__wordpress-tv.json    |  12 +
 .../core-embed__wordpress-tv.parsed.json      |  13 +
 .../core-embed__wordpress-tv.serialized.html  |   7 +
 .../test/fixtures/core-embed__wordpress.html  |   6 +
 ...dpress.json => core-embed__wordpress.json} |   2 +-
 .../core-embed__wordpress.parsed.json         |  13 +
 .../core-embed__wordpress.serialized.html     |   7 +
 blocks/test/fixtures/core-embed__youtube.html |   6 +
 ...dyoutube.json => core-embed__youtube.json} |   2 +-
 .../fixtures/core-embed__youtube.parsed.json  |  13 +
 .../core-embed__youtube.serialized.html       |   7 +
 blocks/test/fixtures/core-embedanimoto.html   |   6 -
 .../fixtures/core-embedanimoto.parsed.json    |  13 -
 .../core-embedanimoto.serialized.html         |   7 -
 blocks/test/fixtures/core-embedcloudup.html   |   6 -
 .../fixtures/core-embedcloudup.parsed.json    |  13 -
 .../core-embedcloudup.serialized.html         |   7 -
 .../test/fixtures/core-embedcollegehumor.html |   6 -
 .../core-embedcollegehumor.parsed.json        |  13 -
 .../core-embedcollegehumor.serialized.html    |   7 -
 .../test/fixtures/core-embeddailymotion.html  |   6 -
 .../core-embeddailymotion.parsed.json         |  13 -
 .../core-embeddailymotion.serialized.html     |   7 -
 blocks/test/fixtures/core-embedfacebook.html  |   6 -
 .../fixtures/core-embedfacebook.parsed.json   |  13 -
 .../core-embedfacebook.serialized.html        |   7 -
 blocks/test/fixtures/core-embedflickr.html    |   6 -
 .../fixtures/core-embedflickr.parsed.json     |  13 -
 .../fixtures/core-embedflickr.serialized.html |   7 -
 .../test/fixtures/core-embedfunnyordie.html   |   6 -
 .../fixtures/core-embedfunnyordie.parsed.json |  13 -
 .../core-embedfunnyordie.serialized.html      |   7 -
 blocks/test/fixtures/core-embedhulu.html      |   6 -
 .../test/fixtures/core-embedhulu.parsed.json  |  13 -
 .../fixtures/core-embedhulu.serialized.html   |   7 -
 blocks/test/fixtures/core-embedimgur.html     |   6 -
 .../test/fixtures/core-embedimgur.parsed.json |  13 -
 .../fixtures/core-embedimgur.serialized.html  |   7 -
 blocks/test/fixtures/core-embedinstagram.html |   6 -
 .../fixtures/core-embedinstagram.parsed.json  |  13 -
 .../core-embedinstagram.serialized.html       |   7 -
 blocks/test/fixtures/core-embedissuu.html     |   6 -
 .../test/fixtures/core-embedissuu.parsed.json |  13 -
 .../fixtures/core-embedissuu.serialized.html  |   7 -
 .../test/fixtures/core-embedkickstarter.html  |   6 -
 .../core-embedkickstarter.parsed.json         |  13 -
 .../core-embedkickstarter.serialized.html     |   7 -
 blocks/test/fixtures/core-embedmeetupcom.html |   6 -
 blocks/test/fixtures/core-embedmeetupcom.json |  12 -
 .../fixtures/core-embedmeetupcom.parsed.json  |  13 -
 .../core-embedmeetupcom.serialized.html       |   7 -
 blocks/test/fixtures/core-embedmixcloud.html  |   6 -
 .../fixtures/core-embedmixcloud.parsed.json   |  13 -
 .../core-embedmixcloud.serialized.html        |   7 -
 .../test/fixtures/core-embedphotobucket.html  |   6 -
 .../core-embedphotobucket.parsed.json         |  13 -
 .../core-embedphotobucket.serialized.html     |   7 -
 blocks/test/fixtures/core-embedpolldaddy.html |   6 -
 .../fixtures/core-embedpolldaddy.parsed.json  |  13 -
 .../core-embedpolldaddy.serialized.html       |   7 -
 blocks/test/fixtures/core-embedreddit.html    |   6 -
 .../fixtures/core-embedreddit.parsed.json     |  13 -
 .../fixtures/core-embedreddit.serialized.html |   7 -
 .../test/fixtures/core-embedreverbnation.html |   6 -
 .../core-embedreverbnation.parsed.json        |  13 -
 .../core-embedreverbnation.serialized.html    |   7 -
 .../test/fixtures/core-embedscreencast.html   |   6 -
 .../fixtures/core-embedscreencast.parsed.json |  13 -
 .../core-embedscreencast.serialized.html      |   7 -
 blocks/test/fixtures/core-embedscribd.html    |   6 -
 .../fixtures/core-embedscribd.parsed.json     |  13 -
 .../fixtures/core-embedscribd.serialized.html |   7 -
 .../test/fixtures/core-embedslideshare.html   |   6 -
 .../fixtures/core-embedslideshare.parsed.json |  13 -
 .../core-embedslideshare.serialized.html      |   7 -
 blocks/test/fixtures/core-embedsmugmug.html   |   6 -
 .../fixtures/core-embedsmugmug.parsed.json    |  13 -
 .../core-embedsmugmug.serialized.html         |   7 -
 .../test/fixtures/core-embedsoundcloud.html   |   6 -
 .../fixtures/core-embedsoundcloud.parsed.json |  13 -
 .../core-embedsoundcloud.serialized.html      |   7 -
 blocks/test/fixtures/core-embedspeaker.html   |   6 -
 .../fixtures/core-embedspeaker.parsed.json    |  13 -
 .../core-embedspeaker.serialized.html         |   7 -
 blocks/test/fixtures/core-embedspotify.html   |   6 -
 .../fixtures/core-embedspotify.parsed.json    |  13 -
 .../core-embedspotify.serialized.html         |   7 -
 blocks/test/fixtures/core-embedted.html       |   6 -
 .../test/fixtures/core-embedted.parsed.json   |  13 -
 .../fixtures/core-embedted.serialized.html    |   7 -
 blocks/test/fixtures/core-embedtumblr.html    |   6 -
 .../fixtures/core-embedtumblr.parsed.json     |  13 -
 .../fixtures/core-embedtumblr.serialized.html |   7 -
 blocks/test/fixtures/core-embedtwitter.html   |   6 -
 .../fixtures/core-embedtwitter.parsed.json    |  13 -
 .../core-embedtwitter.serialized.html         |   7 -
 .../test/fixtures/core-embedvideopress.html   |   6 -
 .../fixtures/core-embedvideopress.parsed.json |  13 -
 .../core-embedvideopress.serialized.html      |   7 -
 blocks/test/fixtures/core-embedvimeo.html     |   6 -
 .../test/fixtures/core-embedvimeo.parsed.json |  13 -
 .../fixtures/core-embedvimeo.serialized.html  |   7 -
 blocks/test/fixtures/core-embedvine.html      |   6 -
 .../test/fixtures/core-embedvine.parsed.json  |  13 -
 .../fixtures/core-embedvine.serialized.html   |   7 -
 blocks/test/fixtures/core-embedwordpress.html |   6 -
 .../fixtures/core-embedwordpress.parsed.json  |  13 -
 .../core-embedwordpress.serialized.html       |   7 -
 .../test/fixtures/core-embedwordpresstv.html  |   6 -
 .../test/fixtures/core-embedwordpresstv.json  |  12 -
 .../core-embedwordpresstv.parsed.json         |  13 -
 .../core-embedwordpresstv.serialized.html     |   7 -
 blocks/test/fixtures/core-embedyoutube.html   |   6 -
 .../fixtures/core-embedyoutube.parsed.json    |  13 -
 .../core-embedyoutube.serialized.html         |   7 -
 blocks/test/fixtures/core-latestposts.html    |   1 -
 .../fixtures/core-latestposts.serialized.html |   1 -
 ...-center.html => core__button__center.html} |   0
 ...-center.json => core__button__center.json} |   0
 ....json => core__button__center.parsed.json} |   0
 ...l => core__button__center.serialized.html} |   0
 .../{core-code.html => core__code.html}       |   0
 .../{core-code.json => core__code.json}       |   0
 ...ode.parsed.json => core__code.parsed.json} |   0
 ...alized.html => core__code.serialized.html} |   0
 ...over-image.html => core__cover-image.html} |   0
 ...over-image.json => core__cover-image.json} |   0
 ...sed.json => core__cover-image.parsed.json} |   0
 ...html => core__cover-image.serialized.html} |   0
 .../{core-embed.html => core__embed.html}     |   0
 .../{core-embed.json => core__embed.json}     |   0
 ...ed.parsed.json => core__embed.parsed.json} |   0
 ...lized.html => core__embed.serialized.html} |   0
 ...core-freeform.html => core__freeform.html} |   0
 ...core-freeform.json => core__freeform.json} |   0
 ...parsed.json => core__freeform.parsed.json} |   0
 ...ed.html => core__freeform.serialized.html} |   0
 .../{core-gallery.html => core__gallery.html} |   0
 .../{core-gallery.json => core__gallery.json} |   0
 ....parsed.json => core__gallery.parsed.json} |   0
 ...zed.html => core__gallery.serialized.html} |   0
 ...g-h2-em.html => core__heading__h2-em.html} |   0
 ...g-h2-em.json => core__heading__h2-em.json} |   0
 ....json => core__heading__h2-em.parsed.json} |   0
 ...l => core__heading__h2-em.serialized.html} |   0
 ...heading-h2.html => core__heading__h2.html} |   0
 ...heading-h2.json => core__heading__h2.json} |   0
 ...sed.json => core__heading__h2.parsed.json} |   0
 ...html => core__heading__h2.serialized.html} |   0
 .../{core-html.html => core__html.html}       |   0
 .../{core-html.json => core__html.json}       |   0
 ...tml.parsed.json => core__html.parsed.json} |   0
 ...alized.html => core__html.serialized.html} |   0
 .../{core-image.html => core__image.html}     |   0
 .../{core-image.json => core__image.json}     |   0
 ...ge.parsed.json => core__image.parsed.json} |   0
 ...lized.html => core__image.serialized.html} |   0
 ....html => core__image__center-caption.html} |   0
 ....json => core__image__center-caption.json} |   0
 ...> core__image__center-caption.parsed.json} |   0
 ...re__image__center-caption.serialized.html} |   0
 blocks/test/fixtures/core__latest-posts.html  |   1 +
 ...testposts.json => core__latest-posts.json} |   4 +-
 ...ed.json => core__latest-posts.parsed.json} |   4 +-
 .../core__latest-posts.serialized.html        |   1 +
 ...{core-list-ul.html => core__list__ul.html} |   0
 ...{core-list-ul.json => core__list__ul.json} |   0
 ...parsed.json => core__list__ul.parsed.json} |   0
 ...ed.html => core__list__ul.serialized.html} |   0
 ...formatted.html => core__preformatted.html} |   0
 ...formatted.json => core__preformatted.json} |   0
 ...ed.json => core__preformatted.parsed.json} |   0
 ...tml => core__preformatted.serialized.html} |   0
 ...re-pullquote.html => core__pullquote.html} |   0
 ...re-pullquote.json => core__pullquote.json} |   0
 ...arsed.json => core__pullquote.parsed.json} |   0
 ...d.html => core__pullquote.serialized.html} |   0
 ...style-1.html => core__quote__style-1.html} |   0
 ...style-1.json => core__quote__style-1.json} |   0
 ....json => core__quote__style-1.parsed.json} |   0
 ...l => core__quote__style-1.serialized.html} |   0
 ...style-2.html => core__quote__style-2.html} |   0
 ...style-2.json => core__quote__style-2.json} |   0
 ....json => core__quote__style-2.parsed.json} |   0
 ...l => core__quote__style-2.serialized.html} |   0
 ...re-separator.html => core__separator.html} |   0
 ...re-separator.json => core__separator.json} |   0
 ...arsed.json => core__separator.parsed.json} |   0
 ...d.html => core__separator.serialized.html} |   0
 .../{core-table.html => core__table.html}     |   0
 .../{core-table.json => core__table.json}     |   0
 ...le.parsed.json => core__table.parsed.json} |   0
 ...lized.html => core__table.serialized.html} |   0
 ...ight.html => core__text__align-right.html} |   0
 ...ight.json => core__text__align-right.json} |   0
 ...on => core__text__align-right.parsed.json} |   0
 ...> core__text__align-right.serialized.html} |   0
 blocks/test/full-content.js                   |   6 +-
 lib/blocks/latest-posts.php                   |   2 +-
 phpunit/class-registration-test.php           |   2 +-
 329 files changed, 1216 insertions(+), 1007 deletions(-)
 create mode 100644 blocks/test/fixtures/core-embed__animoto.html
 rename blocks/test/fixtures/{core-embedanimoto.json => core-embed__animoto.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__animoto.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__animoto.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__cloudup.html
 rename blocks/test/fixtures/{core-embedcloudup.json => core-embed__cloudup.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__cloudup.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__cloudup.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__collegehumor.html
 rename blocks/test/fixtures/{core-embedcollegehumor.json => core-embed__collegehumor.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__collegehumor.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__collegehumor.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__dailymotion.html
 rename blocks/test/fixtures/{core-embeddailymotion.json => core-embed__dailymotion.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__dailymotion.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__dailymotion.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__facebook.html
 rename blocks/test/fixtures/{core-embedfacebook.json => core-embed__facebook.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__facebook.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__facebook.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__flickr.html
 rename blocks/test/fixtures/{core-embedflickr.json => core-embed__flickr.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__flickr.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__flickr.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__funnyordie.html
 rename blocks/test/fixtures/{core-embedfunnyordie.json => core-embed__funnyordie.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__funnyordie.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__funnyordie.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__hulu.html
 rename blocks/test/fixtures/{core-embedhulu.json => core-embed__hulu.json} (85%)
 create mode 100644 blocks/test/fixtures/core-embed__hulu.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__hulu.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__imgur.html
 rename blocks/test/fixtures/{core-embedimgur.json => core-embed__imgur.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__imgur.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__imgur.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__instagram.html
 rename blocks/test/fixtures/{core-embedinstagram.json => core-embed__instagram.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__instagram.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__instagram.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__issuu.html
 rename blocks/test/fixtures/{core-embedissuu.json => core-embed__issuu.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__issuu.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__issuu.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__kickstarter.html
 rename blocks/test/fixtures/{core-embedkickstarter.json => core-embed__kickstarter.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__kickstarter.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__kickstarter.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__meetup-com.html
 create mode 100644 blocks/test/fixtures/core-embed__meetup-com.json
 create mode 100644 blocks/test/fixtures/core-embed__meetup-com.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__meetup-com.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__mixcloud.html
 rename blocks/test/fixtures/{core-embedmixcloud.json => core-embed__mixcloud.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__mixcloud.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__mixcloud.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__photobucket.html
 rename blocks/test/fixtures/{core-embedphotobucket.json => core-embed__photobucket.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__photobucket.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__photobucket.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__polldaddy.html
 rename blocks/test/fixtures/{core-embedpolldaddy.json => core-embed__polldaddy.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__polldaddy.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__polldaddy.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__reddit.html
 rename blocks/test/fixtures/{core-embedreddit.json => core-embed__reddit.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__reddit.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__reddit.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__reverbnation.html
 rename blocks/test/fixtures/{core-embedreverbnation.json => core-embed__reverbnation.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__reverbnation.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__reverbnation.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__screencast.html
 rename blocks/test/fixtures/{core-embedscreencast.json => core-embed__screencast.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__screencast.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__screencast.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__scribd.html
 rename blocks/test/fixtures/{core-embedscribd.json => core-embed__scribd.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__scribd.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__scribd.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__slideshare.html
 rename blocks/test/fixtures/{core-embedslideshare.json => core-embed__slideshare.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__slideshare.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__slideshare.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__smugmug.html
 rename blocks/test/fixtures/{core-embedsmugmug.json => core-embed__smugmug.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__smugmug.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__smugmug.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__soundcloud.html
 rename blocks/test/fixtures/{core-embedsoundcloud.json => core-embed__soundcloud.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__soundcloud.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__soundcloud.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__speaker.html
 rename blocks/test/fixtures/{core-embedspeaker.json => core-embed__speaker.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__speaker.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__speaker.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__spotify.html
 rename blocks/test/fixtures/{core-embedspotify.json => core-embed__spotify.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__spotify.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__spotify.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__ted.html
 rename blocks/test/fixtures/{core-embedted.json => core-embed__ted.json} (85%)
 create mode 100644 blocks/test/fixtures/core-embed__ted.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__ted.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__tumblr.html
 rename blocks/test/fixtures/{core-embedtumblr.json => core-embed__tumblr.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__tumblr.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__tumblr.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__twitter.html
 rename blocks/test/fixtures/{core-embedtwitter.json => core-embed__twitter.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__twitter.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__twitter.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__videopress.html
 rename blocks/test/fixtures/{core-embedvideopress.json => core-embed__videopress.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__videopress.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__videopress.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__vimeo.html
 rename blocks/test/fixtures/{core-embedvimeo.json => core-embed__vimeo.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__vimeo.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__vimeo.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__vine.html
 rename blocks/test/fixtures/{core-embedvine.json => core-embed__vine.json} (85%)
 create mode 100644 blocks/test/fixtures/core-embed__vine.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__vine.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__wordpress-tv.html
 create mode 100644 blocks/test/fixtures/core-embed__wordpress-tv.json
 create mode 100644 blocks/test/fixtures/core-embed__wordpress-tv.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__wordpress-tv.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__wordpress.html
 rename blocks/test/fixtures/{core-embedwordpress.json => core-embed__wordpress.json} (83%)
 create mode 100644 blocks/test/fixtures/core-embed__wordpress.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__wordpress.serialized.html
 create mode 100644 blocks/test/fixtures/core-embed__youtube.html
 rename blocks/test/fixtures/{core-embedyoutube.json => core-embed__youtube.json} (84%)
 create mode 100644 blocks/test/fixtures/core-embed__youtube.parsed.json
 create mode 100644 blocks/test/fixtures/core-embed__youtube.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedanimoto.html
 delete mode 100644 blocks/test/fixtures/core-embedanimoto.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedanimoto.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedcloudup.html
 delete mode 100644 blocks/test/fixtures/core-embedcloudup.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedcloudup.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedcollegehumor.html
 delete mode 100644 blocks/test/fixtures/core-embedcollegehumor.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedcollegehumor.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embeddailymotion.html
 delete mode 100644 blocks/test/fixtures/core-embeddailymotion.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embeddailymotion.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedfacebook.html
 delete mode 100644 blocks/test/fixtures/core-embedfacebook.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedfacebook.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedflickr.html
 delete mode 100644 blocks/test/fixtures/core-embedflickr.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedflickr.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedfunnyordie.html
 delete mode 100644 blocks/test/fixtures/core-embedfunnyordie.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedfunnyordie.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedhulu.html
 delete mode 100644 blocks/test/fixtures/core-embedhulu.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedhulu.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedimgur.html
 delete mode 100644 blocks/test/fixtures/core-embedimgur.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedimgur.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedinstagram.html
 delete mode 100644 blocks/test/fixtures/core-embedinstagram.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedinstagram.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedissuu.html
 delete mode 100644 blocks/test/fixtures/core-embedissuu.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedissuu.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedkickstarter.html
 delete mode 100644 blocks/test/fixtures/core-embedkickstarter.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedkickstarter.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedmeetupcom.html
 delete mode 100644 blocks/test/fixtures/core-embedmeetupcom.json
 delete mode 100644 blocks/test/fixtures/core-embedmeetupcom.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedmeetupcom.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedmixcloud.html
 delete mode 100644 blocks/test/fixtures/core-embedmixcloud.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedmixcloud.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedphotobucket.html
 delete mode 100644 blocks/test/fixtures/core-embedphotobucket.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedphotobucket.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedpolldaddy.html
 delete mode 100644 blocks/test/fixtures/core-embedpolldaddy.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedpolldaddy.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedreddit.html
 delete mode 100644 blocks/test/fixtures/core-embedreddit.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedreddit.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedreverbnation.html
 delete mode 100644 blocks/test/fixtures/core-embedreverbnation.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedreverbnation.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedscreencast.html
 delete mode 100644 blocks/test/fixtures/core-embedscreencast.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedscreencast.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedscribd.html
 delete mode 100644 blocks/test/fixtures/core-embedscribd.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedscribd.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedslideshare.html
 delete mode 100644 blocks/test/fixtures/core-embedslideshare.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedslideshare.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedsmugmug.html
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 delete mode 100644 blocks/test/fixtures/core-embedsmugmug.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedsoundcloud.html
 delete mode 100644 blocks/test/fixtures/core-embedsoundcloud.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedsoundcloud.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedspeaker.html
 delete mode 100644 blocks/test/fixtures/core-embedspeaker.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedspeaker.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedspotify.html
 delete mode 100644 blocks/test/fixtures/core-embedspotify.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedspotify.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedted.html
 delete mode 100644 blocks/test/fixtures/core-embedted.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedted.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedtumblr.html
 delete mode 100644 blocks/test/fixtures/core-embedtumblr.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedtumblr.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedtwitter.html
 delete mode 100644 blocks/test/fixtures/core-embedtwitter.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedtwitter.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedvideopress.html
 delete mode 100644 blocks/test/fixtures/core-embedvideopress.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedvideopress.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedvimeo.html
 delete mode 100644 blocks/test/fixtures/core-embedvimeo.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedvimeo.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedvine.html
 delete mode 100644 blocks/test/fixtures/core-embedvine.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedvine.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedwordpress.html
 delete mode 100644 blocks/test/fixtures/core-embedwordpress.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedwordpress.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedwordpresstv.html
 delete mode 100644 blocks/test/fixtures/core-embedwordpresstv.json
 delete mode 100644 blocks/test/fixtures/core-embedwordpresstv.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedwordpresstv.serialized.html
 delete mode 100644 blocks/test/fixtures/core-embedyoutube.html
 delete mode 100644 blocks/test/fixtures/core-embedyoutube.parsed.json
 delete mode 100644 blocks/test/fixtures/core-embedyoutube.serialized.html
 delete mode 100644 blocks/test/fixtures/core-latestposts.html
 delete mode 100644 blocks/test/fixtures/core-latestposts.serialized.html
 rename blocks/test/fixtures/{core-button-center.html => core__button__center.html} (100%)
 rename blocks/test/fixtures/{core-button-center.json => core__button__center.json} (100%)
 rename blocks/test/fixtures/{core-button-center.parsed.json => core__button__center.parsed.json} (100%)
 rename blocks/test/fixtures/{core-button-center.serialized.html => core__button__center.serialized.html} (100%)
 rename blocks/test/fixtures/{core-code.html => core__code.html} (100%)
 rename blocks/test/fixtures/{core-code.json => core__code.json} (100%)
 rename blocks/test/fixtures/{core-code.parsed.json => core__code.parsed.json} (100%)
 rename blocks/test/fixtures/{core-code.serialized.html => core__code.serialized.html} (100%)
 rename blocks/test/fixtures/{core-cover-image.html => core__cover-image.html} (100%)
 rename blocks/test/fixtures/{core-cover-image.json => core__cover-image.json} (100%)
 rename blocks/test/fixtures/{core-cover-image.parsed.json => core__cover-image.parsed.json} (100%)
 rename blocks/test/fixtures/{core-cover-image.serialized.html => core__cover-image.serialized.html} (100%)
 rename blocks/test/fixtures/{core-embed.html => core__embed.html} (100%)
 rename blocks/test/fixtures/{core-embed.json => core__embed.json} (100%)
 rename blocks/test/fixtures/{core-embed.parsed.json => core__embed.parsed.json} (100%)
 rename blocks/test/fixtures/{core-embed.serialized.html => core__embed.serialized.html} (100%)
 rename blocks/test/fixtures/{core-freeform.html => core__freeform.html} (100%)
 rename blocks/test/fixtures/{core-freeform.json => core__freeform.json} (100%)
 rename blocks/test/fixtures/{core-freeform.parsed.json => core__freeform.parsed.json} (100%)
 rename blocks/test/fixtures/{core-freeform.serialized.html => core__freeform.serialized.html} (100%)
 rename blocks/test/fixtures/{core-gallery.html => core__gallery.html} (100%)
 rename blocks/test/fixtures/{core-gallery.json => core__gallery.json} (100%)
 rename blocks/test/fixtures/{core-gallery.parsed.json => core__gallery.parsed.json} (100%)
 rename blocks/test/fixtures/{core-gallery.serialized.html => core__gallery.serialized.html} (100%)
 rename blocks/test/fixtures/{core-heading-h2-em.html => core__heading__h2-em.html} (100%)
 rename blocks/test/fixtures/{core-heading-h2-em.json => core__heading__h2-em.json} (100%)
 rename blocks/test/fixtures/{core-heading-h2-em.parsed.json => core__heading__h2-em.parsed.json} (100%)
 rename blocks/test/fixtures/{core-heading-h2-em.serialized.html => core__heading__h2-em.serialized.html} (100%)
 rename blocks/test/fixtures/{core-heading-h2.html => core__heading__h2.html} (100%)
 rename blocks/test/fixtures/{core-heading-h2.json => core__heading__h2.json} (100%)
 rename blocks/test/fixtures/{core-heading-h2.parsed.json => core__heading__h2.parsed.json} (100%)
 rename blocks/test/fixtures/{core-heading-h2.serialized.html => core__heading__h2.serialized.html} (100%)
 rename blocks/test/fixtures/{core-html.html => core__html.html} (100%)
 rename blocks/test/fixtures/{core-html.json => core__html.json} (100%)
 rename blocks/test/fixtures/{core-html.parsed.json => core__html.parsed.json} (100%)
 rename blocks/test/fixtures/{core-html.serialized.html => core__html.serialized.html} (100%)
 rename blocks/test/fixtures/{core-image.html => core__image.html} (100%)
 rename blocks/test/fixtures/{core-image.json => core__image.json} (100%)
 rename blocks/test/fixtures/{core-image.parsed.json => core__image.parsed.json} (100%)
 rename blocks/test/fixtures/{core-image.serialized.html => core__image.serialized.html} (100%)
 rename blocks/test/fixtures/{core-image-center-caption.html => core__image__center-caption.html} (100%)
 rename blocks/test/fixtures/{core-image-center-caption.json => core__image__center-caption.json} (100%)
 rename blocks/test/fixtures/{core-image-center-caption.parsed.json => core__image__center-caption.parsed.json} (100%)
 rename blocks/test/fixtures/{core-image-center-caption.serialized.html => core__image__center-caption.serialized.html} (100%)
 create mode 100644 blocks/test/fixtures/core__latest-posts.html
 rename blocks/test/fixtures/{core-latestposts.json => core__latest-posts.json} (62%)
 rename blocks/test/fixtures/{core-latestposts.parsed.json => core__latest-posts.parsed.json} (70%)
 create mode 100644 blocks/test/fixtures/core__latest-posts.serialized.html
 rename blocks/test/fixtures/{core-list-ul.html => core__list__ul.html} (100%)
 rename blocks/test/fixtures/{core-list-ul.json => core__list__ul.json} (100%)
 rename blocks/test/fixtures/{core-list-ul.parsed.json => core__list__ul.parsed.json} (100%)
 rename blocks/test/fixtures/{core-list-ul.serialized.html => core__list__ul.serialized.html} (100%)
 rename blocks/test/fixtures/{core-preformatted.html => core__preformatted.html} (100%)
 rename blocks/test/fixtures/{core-preformatted.json => core__preformatted.json} (100%)
 rename blocks/test/fixtures/{core-preformatted.parsed.json => core__preformatted.parsed.json} (100%)
 rename blocks/test/fixtures/{core-preformatted.serialized.html => core__preformatted.serialized.html} (100%)
 rename blocks/test/fixtures/{core-pullquote.html => core__pullquote.html} (100%)
 rename blocks/test/fixtures/{core-pullquote.json => core__pullquote.json} (100%)
 rename blocks/test/fixtures/{core-pullquote.parsed.json => core__pullquote.parsed.json} (100%)
 rename blocks/test/fixtures/{core-pullquote.serialized.html => core__pullquote.serialized.html} (100%)
 rename blocks/test/fixtures/{core-quote-style-1.html => core__quote__style-1.html} (100%)
 rename blocks/test/fixtures/{core-quote-style-1.json => core__quote__style-1.json} (100%)
 rename blocks/test/fixtures/{core-quote-style-1.parsed.json => core__quote__style-1.parsed.json} (100%)
 rename blocks/test/fixtures/{core-quote-style-1.serialized.html => core__quote__style-1.serialized.html} (100%)
 rename blocks/test/fixtures/{core-quote-style-2.html => core__quote__style-2.html} (100%)
 rename blocks/test/fixtures/{core-quote-style-2.json => core__quote__style-2.json} (100%)
 rename blocks/test/fixtures/{core-quote-style-2.parsed.json => core__quote__style-2.parsed.json} (100%)
 rename blocks/test/fixtures/{core-quote-style-2.serialized.html => core__quote__style-2.serialized.html} (100%)
 rename blocks/test/fixtures/{core-separator.html => core__separator.html} (100%)
 rename blocks/test/fixtures/{core-separator.json => core__separator.json} (100%)
 rename blocks/test/fixtures/{core-separator.parsed.json => core__separator.parsed.json} (100%)
 rename blocks/test/fixtures/{core-separator.serialized.html => core__separator.serialized.html} (100%)
 rename blocks/test/fixtures/{core-table.html => core__table.html} (100%)
 rename blocks/test/fixtures/{core-table.json => core__table.json} (100%)
 rename blocks/test/fixtures/{core-table.parsed.json => core__table.parsed.json} (100%)
 rename blocks/test/fixtures/{core-table.serialized.html => core__table.serialized.html} (100%)
 rename blocks/test/fixtures/{core-text-align-right.html => core__text__align-right.html} (100%)
 rename blocks/test/fixtures/{core-text-align-right.json => core__text__align-right.json} (100%)
 rename blocks/test/fixtures/{core-text-align-right.parsed.json => core__text__align-right.parsed.json} (100%)
 rename blocks/test/fixtures/{core-text-align-right.serialized.html => core__text__align-right.serialized.html} (100%)

diff --git a/blocks/library/embed/index.js b/blocks/library/embed/index.js
index dbf9cce8e4215..a346781c68353 100644
--- a/blocks/library/embed/index.js
+++ b/blocks/library/embed/index.js
@@ -211,38 +211,247 @@ function getEmbedBlockSettings( { title, icon, category = 'embed' } ) {
 	};
 }
 
-registerBlockType( 'core/embed', getEmbedBlockSettings( { title: 'Embed', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedanimoto', getEmbedBlockSettings( { title: 'Animoto', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedcloudup', getEmbedBlockSettings( { title: 'Cloudup', icon: 'cloud' } ) );
-registerBlockType( 'core/embedcollegehumor', getEmbedBlockSettings( { title: 'CollegeHumor', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embeddailymotion', getEmbedBlockSettings( { title: 'Dailymotion', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedfacebook', getEmbedBlockSettings( { title: 'Facebook', icon: 'facebook' } ) );
-registerBlockType( 'core/embedflickr', getEmbedBlockSettings( { title: 'Flickr', icon: 'format-image' } ) );
-registerBlockType( 'core/embedfunnyordie', getEmbedBlockSettings( { title: 'Funny or Die', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedhulu', getEmbedBlockSettings( { title: 'Hulu', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedimgur', getEmbedBlockSettings( { title: 'Imgur', icon: 'format-image' } ) );
-registerBlockType( 'core/embedinstagram', getEmbedBlockSettings( { title: 'Instagram', icon: 'camera' } ) );
-registerBlockType( 'core/embedissuu', getEmbedBlockSettings( { title: 'Issuu', icon: 'media-default' } ) );
-registerBlockType( 'core/embedkickstarter', getEmbedBlockSettings( { title: 'Kickstarter', icon: 'lightbulb' } ) );
-registerBlockType( 'core/embedmeetupcom', getEmbedBlockSettings( { title: 'Meetup.com', icon: 'location-alt' } ) );
-registerBlockType( 'core/embedmixcloud', getEmbedBlockSettings( { title: 'Mixcloud', icon: 'format-audio' } ) );
-registerBlockType( 'core/embedphotobucket', getEmbedBlockSettings( { title: 'Photobucket', icon: 'camera' } ) );
-registerBlockType( 'core/embedpolldaddy', getEmbedBlockSettings( { title: 'Polldaddy', icon: 'yes' } ) );
-registerBlockType( 'core/embedreddit', getEmbedBlockSettings( { title: 'Reddit', icon: 'share' } ) );
-registerBlockType( 'core/embedreverbnation', getEmbedBlockSettings( { title: 'ReverbNation', icon: 'format-audio' } ) );
-registerBlockType( 'core/embedscreencast', getEmbedBlockSettings( { title: 'Screencast', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedscribd', getEmbedBlockSettings( { title: 'Scribd', icon: 'book-alt' } ) );
-registerBlockType( 'core/embedslideshare', getEmbedBlockSettings( { title: 'Slideshare', icon: 'slides' } ) );
-registerBlockType( 'core/embedsmugmug', getEmbedBlockSettings( { title: 'SmugMug', icon: 'camera' } ) );
-registerBlockType( 'core/embedsoundcloud', getEmbedBlockSettings( { title: 'SoundCloud', icon: 'format-audio' } ) );
-registerBlockType( 'core/embedspeaker', getEmbedBlockSettings( { title: 'Speaker', icon: 'format-audio' } ) );
-registerBlockType( 'core/embedspotify', getEmbedBlockSettings( { title: 'Spotify', icon: 'format-audio' } ) );
-registerBlockType( 'core/embedted', getEmbedBlockSettings( { title: 'TED', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedtumblr', getEmbedBlockSettings( { title: 'Tumblr', icon: 'share' } ) );
-registerBlockType( 'core/embedtwitter', getEmbedBlockSettings( { title: 'Twitter', icon: 'twitter' } ) );
-registerBlockType( 'core/embedvideopress', getEmbedBlockSettings( { title: 'VideoPress', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedvimeo', getEmbedBlockSettings( { title: 'Vimeo', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedvine', getEmbedBlockSettings( { title: 'Vine', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedwordpress', getEmbedBlockSettings( { title: 'WordPress', icon: 'wordpress' } ) );
-registerBlockType( 'core/embedwordpresstv', getEmbedBlockSettings( { title: 'WordPress.tv', icon: 'video-alt3' } ) );
-registerBlockType( 'core/embedyoutube', getEmbedBlockSettings( { title: 'YouTube', icon: 'video-alt3' } ) );
+registerBlockType(
+	'core/embed',
+	getEmbedBlockSettings( {
+		title: 'Embed',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/animoto',
+	getEmbedBlockSettings( {
+		title: 'Animoto',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/cloudup',
+	getEmbedBlockSettings( {
+		title: 'Cloudup',
+		icon: 'cloud',
+	} )
+);
+registerBlockType(
+	'core-embed/collegehumor',
+	getEmbedBlockSettings( {
+		title: 'CollegeHumor',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/dailymotion',
+	getEmbedBlockSettings( {
+		title: 'Dailymotion',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/facebook',
+	getEmbedBlockSettings( {
+		title: 'Facebook',
+		icon: 'facebook',
+	} )
+);
+registerBlockType(
+	'core-embed/flickr',
+	getEmbedBlockSettings( {
+		title: 'Flickr',
+		icon: 'format-image',
+	} )
+);
+registerBlockType(
+	'core-embed/funnyordie',
+	getEmbedBlockSettings( {
+		title: 'Funny or Die',
+		icon: 'video-alt3',
+	} ) );
+registerBlockType(
+	'core-embed/hulu',
+	getEmbedBlockSettings( {
+		title: 'Hulu',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/imgur',
+	getEmbedBlockSettings( {
+		title: 'Imgur',
+		icon: 'format-image',
+	} )
+);
+registerBlockType(
+	'core-embed/instagram',
+	getEmbedBlockSettings( {
+		title: 'Instagram',
+		icon: 'camera',
+	} )
+);
+registerBlockType(
+	'core-embed/issuu',
+	getEmbedBlockSettings( {
+		title: 'Issuu',
+		icon: 'media-default',
+	} )
+);
+registerBlockType(
+	'core-embed/kickstarter',
+	getEmbedBlockSettings( {
+		title: 'Kickstarter',
+		icon: 'lightbulb',
+	} )
+);
+registerBlockType(
+	'core-embed/meetup-com',
+	getEmbedBlockSettings( {
+		title: 'Meetup.com',
+		icon: 'location-alt',
+	} )
+);
+registerBlockType(
+	'core-embed/mixcloud',
+	getEmbedBlockSettings( {
+		title: 'Mixcloud',
+		icon: 'format-audio',
+	} )
+);
+registerBlockType(
+	'core-embed/photobucket',
+	getEmbedBlockSettings( {
+		title: 'Photobucket',
+		icon: 'camera',
+	} )
+);
+registerBlockType(
+	'core-embed/polldaddy',
+	getEmbedBlockSettings( {
+		title: 'Polldaddy',
+		icon: 'yes',
+	} )
+);
+registerBlockType(
+	'core-embed/reddit',
+	getEmbedBlockSettings( {
+		title: 'Reddit',
+		icon: 'share',
+	} )
+);
+registerBlockType(
+	'core-embed/reverbnation',
+	getEmbedBlockSettings( {
+		title: 'ReverbNation',
+		icon: 'format-audio',
+	} )
+);
+registerBlockType(
+	'core-embed/screencast',
+	getEmbedBlockSettings( {
+		title: 'Screencast',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/scribd',
+	getEmbedBlockSettings( {
+		title: 'Scribd',
+		icon: 'book-alt',
+	} )
+);
+registerBlockType(
+	'core-embed/slideshare',
+	getEmbedBlockSettings( {
+		title: 'Slideshare',
+		icon: 'slides',
+	} )
+);
+registerBlockType(
+	'core-embed/smugmug',
+	getEmbedBlockSettings( {
+		title: 'SmugMug',
+		icon: 'camera',
+	} )
+);
+registerBlockType(
+	'core-embed/soundcloud',
+	getEmbedBlockSettings( {
+		title: 'SoundCloud',
+		icon: 'format-audio',
+	} )
+);
+registerBlockType(
+	'core-embed/speaker',
+	getEmbedBlockSettings( {
+		title: 'Speaker',
+		icon: 'format-audio',
+	} )
+);
+registerBlockType(
+	'core-embed/spotify',
+	getEmbedBlockSettings( {
+		title: 'Spotify',
+		icon: 'format-audio',
+	} )
+);
+registerBlockType(
+	'core-embed/ted',
+	getEmbedBlockSettings( {
+		title: 'TED',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/tumblr',
+	getEmbedBlockSettings( {
+		title: 'Tumblr',
+		icon: 'share',
+	} )
+);
+registerBlockType(
+	'core-embed/twitter',
+	getEmbedBlockSettings( {
+		title: 'Twitter',
+		icon: 'twitter',
+	} )
+);
+registerBlockType(
+	'core-embed/videopress',
+	getEmbedBlockSettings( {
+		title: 'VideoPress',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/vimeo',
+	getEmbedBlockSettings( {
+		title: 'Vimeo',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/vine',
+	getEmbedBlockSettings( {
+		title: 'Vine',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/wordpress',
+	getEmbedBlockSettings( {
+		title: 'WordPress',
+		icon: 'wordpress',
+	} )
+);
+registerBlockType(
+	'core-embed/wordpress-tv',
+	getEmbedBlockSettings( {
+		title: 'WordPress.tv',
+		icon: 'video-alt3',
+	} )
+);
+registerBlockType(
+	'core-embed/youtube',
+	getEmbedBlockSettings( {
+		title: 'YouTube',
+		icon: 'video-alt3',
+	} )
+);
diff --git a/blocks/library/latest-posts/index.js b/blocks/library/latest-posts/index.js
index 96a395087acbf..81cfa3cb93689 100644
--- a/blocks/library/latest-posts/index.js
+++ b/blocks/library/latest-posts/index.js
@@ -19,7 +19,7 @@ import ToggleControl from '../../inspector-controls/toggle-control';
 const MIN_POSTS = 1;
 const MAX_POSTS = 100;
 
-registerBlockType( 'core/latestposts', {
+registerBlockType( 'core/latest-posts', {
 	title: __( 'Latest Posts' ),
 
 	icon: 'list-view',
@@ -27,7 +27,7 @@ registerBlockType( 'core/latestposts', {
 	category: 'widgets',
 
 	defaultAttributes: {
-		poststoshow: 5,
+		postsToShow: 5,
 		displayPostDate: false,
 	},
 
@@ -36,13 +36,13 @@ registerBlockType( 'core/latestposts', {
 			super( ...arguments );
 			this.changePostsToShow = this.changePostsToShow.bind( this );
 
-			const { poststoshow } = this.props.attributes;
+			const { postsToShow } = this.props.attributes;
 
 			this.state = {
 				latestPosts: [],
 			};
 
-			this.latestPostsRequest = getLatestPosts( poststoshow );
+			this.latestPostsRequest = getLatestPosts( postsToShow );
 
 			this.latestPostsRequest
 				.then( latestPosts => this.setState( { latestPosts } ) );
@@ -58,8 +58,8 @@ registerBlockType( 'core/latestposts', {
 		}
 
 		componentWillReceiveProps( nextProps ) {
-			const { poststoshow: postToShowCurrent } = this.props.attributes;
-			const { poststoshow: postToShowNext } = nextProps.attributes;
+			const { postsToShow: postToShowCurrent } = this.props.attributes;
+			const { postsToShow: postToShowNext } = nextProps.attributes;
 			const { setAttributes } = this.props;
 
 			if ( postToShowCurrent === postToShowNext ) {
@@ -72,14 +72,14 @@ registerBlockType( 'core/latestposts', {
 				this.latestPostsRequest
 					.then( latestPosts => this.setState( { latestPosts } ) );
 
-				setAttributes( { poststoshow: postToShowNext } );
+				setAttributes( { postsToShow: postToShowNext } );
 			}
 		}
 
 		changePostsToShow( postsToShow ) {
 			const { setAttributes } = this.props;
 
-			setAttributes( { poststoshow: parseInt( postsToShow, 10 ) || 0 } );
+			setAttributes( { postsToShow: parseInt( postsToShow, 10 ) || 0 } );
 		}
 
 		render() {
@@ -111,7 +111,7 @@ registerBlockType( 'core/latestposts', {
 							type="number"
 							min={ MIN_POSTS }
 							max={ MAX_POSTS }
-							value={ this.props.attributes.poststoshow }
+							value={ this.props.attributes.postsToShow }
 							onChange={ ( value ) => this.changePostsToShow( value ) }
 						/>
 					</InspectorControls>
diff --git a/blocks/library/latest-posts/style.scss b/blocks/library/latest-posts/style.scss
index 08ff5aab784e0..7cbf6482deb9c 100644
--- a/blocks/library/latest-posts/style.scss
+++ b/blocks/library/latest-posts/style.scss
@@ -1,8 +1,8 @@
-div[data-type="core/latestposts"] .wp-block-latestposts {
+div[data-type="core/latest-posts"] .wp-block-latest-posts {
 	padding-left: 2.5em;
 }
 
-.wp-block-latestposts__post-date {
+.wp-block-latest-posts__post-date {
 	display: block;
 	color: $dark-gray-100;
 	font-size: $default-font-size;
diff --git a/blocks/test/fixtures/README.md b/blocks/test/fixtures/README.md
index 5321b7f4a037d..9be327c967bcf 100644
--- a/blocks/test/fixtures/README.md
+++ b/blocks/test/fixtures/README.md
@@ -3,7 +3,7 @@
 This directory contains sets of fixture files that are used to test the parsing
 and serialization logic.
 
-Each test is made up of three fixture files:
+Each test is made up of four fixture files:
 
 1. `fixture-name.html`: The initial post content.
 2. `fixture-name.parsed.json`: The **expected** output of the PEG parser for
@@ -19,15 +19,15 @@ Each test is made up of three fixture files:
 
 Every block is required to have at least one such set of fixture files to test
 the parsing and serialization of that block.  These fixtures must be named like
-`core-blockname{-*,}.{html,json,serialized.html}`.  For example, for the
-`core/image` block, the following three fixture files must exist:
+`core__blockname{__*,}.{html,json,serialized.html}`.  For example, for the
+`core/image` block, the following four fixture files must exist:
 
-1. `core-image.html` (or `core-image-specific-test-name.html`).  Must contain a
-   `<!-- wp:core/image -->` block.
-2. `core-image.parsed.json` (or `core-image-specific-test-name.parsed.json`).
-3. `core-image.json` (or `core-image-specific-test-name.json`).
-4. `core-image.serialized.html` (or
-   `core-image-specific-test-name.serialized.html`).
+1. `core__image.html` (or `core__image__specific-test-name.html`).  Must
+   contain a `<!-- wp:core/image -->` block.
+2. `core__image.parsed.json` (or `core__image__specific-test-name.parsed.json`).
+3. `core__image.json` (or `core__image__specific-test-name.json`).
+4. `core__image.serialized.html` (or
+   `core__image__specific-test-name.serialized.html`).
 
 Ideally all important attributes and features of the block should be tested
 this way.  New contributions in the form of additional test cases are always
@@ -35,7 +35,7 @@ welcome - this is a great way for us to identify bugs and prevent them from
 recurring in the future.
 
 When adding a new test, it's only necessary to create file (1) above, then
-there is a command you can run to generate (2) and (3):
+there is a command you can run to generate (2) through (4):
 
 ```sh
 GENERATE_MISSING_FIXTURES=y npm run test-unit -- --grep 'full post content fixture'
diff --git a/blocks/test/fixtures/core-embed__animoto.html b/blocks/test/fixtures/core-embed__animoto.html
new file mode 100644
index 0000000000000..b805520078110
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__animoto.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/animoto {"url":"https://animoto.com/"} -->
+<figure class="wp-block-core-embed-animoto">
+    https://animoto.com/
+    <figcaption>Embedded content from animoto</figcaption>
+</figure>
+<!-- /wp:core-embed/animoto -->
diff --git a/blocks/test/fixtures/core-embedanimoto.json b/blocks/test/fixtures/core-embed__animoto.json
similarity index 84%
rename from blocks/test/fixtures/core-embedanimoto.json
rename to blocks/test/fixtures/core-embed__animoto.json
index 4f2cbc392247d..28c7c26cd2cc2 100644
--- a/blocks/test/fixtures/core-embedanimoto.json
+++ b/blocks/test/fixtures/core-embed__animoto.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedanimoto",
+        "name": "core-embed/animoto",
         "attributes": {
             "url": "https://animoto.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__animoto.parsed.json b/blocks/test/fixtures/core-embed__animoto.parsed.json
new file mode 100644
index 0000000000000..8650b4f32fbe1
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__animoto.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/animoto",
+        "attrs": {
+            "url": "https://animoto.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-animoto\">\n    https://animoto.com/\n    <figcaption>Embedded content from animoto</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__animoto.serialized.html b/blocks/test/fixtures/core-embed__animoto.serialized.html
new file mode 100644
index 0000000000000..579267fe3b30e
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__animoto.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/animoto {"url":"https://animoto.com/"} -->
+<figure class="wp-block-core-embed-animoto">
+    https://animoto.com/
+    <figcaption>Embedded content from animoto</figcaption>
+</figure>
+<!-- /wp:core-embed/animoto -->
+
diff --git a/blocks/test/fixtures/core-embed__cloudup.html b/blocks/test/fixtures/core-embed__cloudup.html
new file mode 100644
index 0000000000000..4737f84d4cf72
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__cloudup.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/cloudup {"url":"https://cloudup.com/"} -->
+<figure class="wp-block-core-embed-cloudup">
+    https://cloudup.com/
+    <figcaption>Embedded content from cloudup</figcaption>
+</figure>
+<!-- /wp:core-embed/cloudup -->
diff --git a/blocks/test/fixtures/core-embedcloudup.json b/blocks/test/fixtures/core-embed__cloudup.json
similarity index 84%
rename from blocks/test/fixtures/core-embedcloudup.json
rename to blocks/test/fixtures/core-embed__cloudup.json
index 6bda5b3051eef..22a55a4d296f9 100644
--- a/blocks/test/fixtures/core-embedcloudup.json
+++ b/blocks/test/fixtures/core-embed__cloudup.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedcloudup",
+        "name": "core-embed/cloudup",
         "attributes": {
             "url": "https://cloudup.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__cloudup.parsed.json b/blocks/test/fixtures/core-embed__cloudup.parsed.json
new file mode 100644
index 0000000000000..eee1502a9e820
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__cloudup.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/cloudup",
+        "attrs": {
+            "url": "https://cloudup.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-cloudup\">\n    https://cloudup.com/\n    <figcaption>Embedded content from cloudup</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__cloudup.serialized.html b/blocks/test/fixtures/core-embed__cloudup.serialized.html
new file mode 100644
index 0000000000000..5f953aa46c1f4
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__cloudup.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/cloudup {"url":"https://cloudup.com/"} -->
+<figure class="wp-block-core-embed-cloudup">
+    https://cloudup.com/
+    <figcaption>Embedded content from cloudup</figcaption>
+</figure>
+<!-- /wp:core-embed/cloudup -->
+
diff --git a/blocks/test/fixtures/core-embed__collegehumor.html b/blocks/test/fixtures/core-embed__collegehumor.html
new file mode 100644
index 0000000000000..770c066489649
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__collegehumor.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/collegehumor {"url":"https://collegehumor.com/"} -->
+<figure class="wp-block-core-embed-collegehumor">
+    https://collegehumor.com/
+    <figcaption>Embedded content from collegehumor</figcaption>
+</figure>
+<!-- /wp:core-embed/collegehumor -->
diff --git a/blocks/test/fixtures/core-embedcollegehumor.json b/blocks/test/fixtures/core-embed__collegehumor.json
similarity index 83%
rename from blocks/test/fixtures/core-embedcollegehumor.json
rename to blocks/test/fixtures/core-embed__collegehumor.json
index aa9183ead7748..47cff93865c5f 100644
--- a/blocks/test/fixtures/core-embedcollegehumor.json
+++ b/blocks/test/fixtures/core-embed__collegehumor.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedcollegehumor",
+        "name": "core-embed/collegehumor",
         "attributes": {
             "url": "https://collegehumor.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__collegehumor.parsed.json b/blocks/test/fixtures/core-embed__collegehumor.parsed.json
new file mode 100644
index 0000000000000..c0170701eae6b
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__collegehumor.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/collegehumor",
+        "attrs": {
+            "url": "https://collegehumor.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-collegehumor\">\n    https://collegehumor.com/\n    <figcaption>Embedded content from collegehumor</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__collegehumor.serialized.html b/blocks/test/fixtures/core-embed__collegehumor.serialized.html
new file mode 100644
index 0000000000000..8234fe93591a3
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__collegehumor.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/collegehumor {"url":"https://collegehumor.com/"} -->
+<figure class="wp-block-core-embed-collegehumor">
+    https://collegehumor.com/
+    <figcaption>Embedded content from collegehumor</figcaption>
+</figure>
+<!-- /wp:core-embed/collegehumor -->
+
diff --git a/blocks/test/fixtures/core-embed__dailymotion.html b/blocks/test/fixtures/core-embed__dailymotion.html
new file mode 100644
index 0000000000000..e1fde0199be09
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__dailymotion.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/dailymotion {"url":"https://dailymotion.com/"} -->
+<figure class="wp-block-core-embed-dailymotion">
+    https://dailymotion.com/
+    <figcaption>Embedded content from dailymotion</figcaption>
+</figure>
+<!-- /wp:core-embed/dailymotion -->
diff --git a/blocks/test/fixtures/core-embeddailymotion.json b/blocks/test/fixtures/core-embed__dailymotion.json
similarity index 83%
rename from blocks/test/fixtures/core-embeddailymotion.json
rename to blocks/test/fixtures/core-embed__dailymotion.json
index 44f0b737a7678..4ad16679bf20e 100644
--- a/blocks/test/fixtures/core-embeddailymotion.json
+++ b/blocks/test/fixtures/core-embed__dailymotion.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embeddailymotion",
+        "name": "core-embed/dailymotion",
         "attributes": {
             "url": "https://dailymotion.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__dailymotion.parsed.json b/blocks/test/fixtures/core-embed__dailymotion.parsed.json
new file mode 100644
index 0000000000000..d144c58f2b5d1
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__dailymotion.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/dailymotion",
+        "attrs": {
+            "url": "https://dailymotion.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-dailymotion\">\n    https://dailymotion.com/\n    <figcaption>Embedded content from dailymotion</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__dailymotion.serialized.html b/blocks/test/fixtures/core-embed__dailymotion.serialized.html
new file mode 100644
index 0000000000000..442c7348cc1e3
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__dailymotion.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/dailymotion {"url":"https://dailymotion.com/"} -->
+<figure class="wp-block-core-embed-dailymotion">
+    https://dailymotion.com/
+    <figcaption>Embedded content from dailymotion</figcaption>
+</figure>
+<!-- /wp:core-embed/dailymotion -->
+
diff --git a/blocks/test/fixtures/core-embed__facebook.html b/blocks/test/fixtures/core-embed__facebook.html
new file mode 100644
index 0000000000000..237516d4065f0
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__facebook.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/facebook {"url":"https://facebook.com/"} -->
+<figure class="wp-block-core-embed-facebook">
+    https://facebook.com/
+    <figcaption>Embedded content from facebook</figcaption>
+</figure>
+<!-- /wp:core-embed/facebook -->
diff --git a/blocks/test/fixtures/core-embedfacebook.json b/blocks/test/fixtures/core-embed__facebook.json
similarity index 84%
rename from blocks/test/fixtures/core-embedfacebook.json
rename to blocks/test/fixtures/core-embed__facebook.json
index 365f7043c6c80..07e08896c62b4 100644
--- a/blocks/test/fixtures/core-embedfacebook.json
+++ b/blocks/test/fixtures/core-embed__facebook.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedfacebook",
+        "name": "core-embed/facebook",
         "attributes": {
             "url": "https://facebook.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__facebook.parsed.json b/blocks/test/fixtures/core-embed__facebook.parsed.json
new file mode 100644
index 0000000000000..75927b1856bb2
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__facebook.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/facebook",
+        "attrs": {
+            "url": "https://facebook.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-facebook\">\n    https://facebook.com/\n    <figcaption>Embedded content from facebook</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__facebook.serialized.html b/blocks/test/fixtures/core-embed__facebook.serialized.html
new file mode 100644
index 0000000000000..75b045a5d87e1
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__facebook.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/facebook {"url":"https://facebook.com/"} -->
+<figure class="wp-block-core-embed-facebook">
+    https://facebook.com/
+    <figcaption>Embedded content from facebook</figcaption>
+</figure>
+<!-- /wp:core-embed/facebook -->
+
diff --git a/blocks/test/fixtures/core-embed__flickr.html b/blocks/test/fixtures/core-embed__flickr.html
new file mode 100644
index 0000000000000..b39f132e964bf
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__flickr.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/flickr {"url":"https://flickr.com/"} -->
+<figure class="wp-block-core-embed-flickr">
+    https://flickr.com/
+    <figcaption>Embedded content from flickr</figcaption>
+</figure>
+<!-- /wp:core-embed/flickr -->
diff --git a/blocks/test/fixtures/core-embedflickr.json b/blocks/test/fixtures/core-embed__flickr.json
similarity index 84%
rename from blocks/test/fixtures/core-embedflickr.json
rename to blocks/test/fixtures/core-embed__flickr.json
index c4294719f27c1..35c28ec6b70e2 100644
--- a/blocks/test/fixtures/core-embedflickr.json
+++ b/blocks/test/fixtures/core-embed__flickr.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedflickr",
+        "name": "core-embed/flickr",
         "attributes": {
             "url": "https://flickr.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__flickr.parsed.json b/blocks/test/fixtures/core-embed__flickr.parsed.json
new file mode 100644
index 0000000000000..3a36dce37fdd2
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__flickr.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/flickr",
+        "attrs": {
+            "url": "https://flickr.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-flickr\">\n    https://flickr.com/\n    <figcaption>Embedded content from flickr</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__flickr.serialized.html b/blocks/test/fixtures/core-embed__flickr.serialized.html
new file mode 100644
index 0000000000000..ba77735d14d3e
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__flickr.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/flickr {"url":"https://flickr.com/"} -->
+<figure class="wp-block-core-embed-flickr">
+    https://flickr.com/
+    <figcaption>Embedded content from flickr</figcaption>
+</figure>
+<!-- /wp:core-embed/flickr -->
+
diff --git a/blocks/test/fixtures/core-embed__funnyordie.html b/blocks/test/fixtures/core-embed__funnyordie.html
new file mode 100644
index 0000000000000..5adf140841135
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__funnyordie.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/funnyordie {"url":"https://funnyordie.com/"} -->
+<figure class="wp-block-core-embed-funnyordie">
+    https://funnyordie.com/
+    <figcaption>Embedded content from funnyordie</figcaption>
+</figure>
+<!-- /wp:core-embed/funnyordie -->
diff --git a/blocks/test/fixtures/core-embedfunnyordie.json b/blocks/test/fixtures/core-embed__funnyordie.json
similarity index 83%
rename from blocks/test/fixtures/core-embedfunnyordie.json
rename to blocks/test/fixtures/core-embed__funnyordie.json
index a4787f0a9350a..575ed6342f43b 100644
--- a/blocks/test/fixtures/core-embedfunnyordie.json
+++ b/blocks/test/fixtures/core-embed__funnyordie.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedfunnyordie",
+        "name": "core-embed/funnyordie",
         "attributes": {
             "url": "https://funnyordie.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__funnyordie.parsed.json b/blocks/test/fixtures/core-embed__funnyordie.parsed.json
new file mode 100644
index 0000000000000..8926a60838937
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__funnyordie.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/funnyordie",
+        "attrs": {
+            "url": "https://funnyordie.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-funnyordie\">\n    https://funnyordie.com/\n    <figcaption>Embedded content from funnyordie</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__funnyordie.serialized.html b/blocks/test/fixtures/core-embed__funnyordie.serialized.html
new file mode 100644
index 0000000000000..608b9901f0d35
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__funnyordie.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/funnyordie {"url":"https://funnyordie.com/"} -->
+<figure class="wp-block-core-embed-funnyordie">
+    https://funnyordie.com/
+    <figcaption>Embedded content from funnyordie</figcaption>
+</figure>
+<!-- /wp:core-embed/funnyordie -->
+
diff --git a/blocks/test/fixtures/core-embed__hulu.html b/blocks/test/fixtures/core-embed__hulu.html
new file mode 100644
index 0000000000000..44a96f4ec070f
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__hulu.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/hulu {"url":"https://hulu.com/"} -->
+<figure class="wp-block-core-embed-hulu">
+    https://hulu.com/
+    <figcaption>Embedded content from hulu</figcaption>
+</figure>
+<!-- /wp:core-embed/hulu -->
diff --git a/blocks/test/fixtures/core-embedhulu.json b/blocks/test/fixtures/core-embed__hulu.json
similarity index 85%
rename from blocks/test/fixtures/core-embedhulu.json
rename to blocks/test/fixtures/core-embed__hulu.json
index 7cbe2cd792d5f..35baceb73b1c0 100644
--- a/blocks/test/fixtures/core-embedhulu.json
+++ b/blocks/test/fixtures/core-embed__hulu.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedhulu",
+        "name": "core-embed/hulu",
         "attributes": {
             "url": "https://hulu.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__hulu.parsed.json b/blocks/test/fixtures/core-embed__hulu.parsed.json
new file mode 100644
index 0000000000000..ed9ca2f221cda
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__hulu.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/hulu",
+        "attrs": {
+            "url": "https://hulu.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-hulu\">\n    https://hulu.com/\n    <figcaption>Embedded content from hulu</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__hulu.serialized.html b/blocks/test/fixtures/core-embed__hulu.serialized.html
new file mode 100644
index 0000000000000..dda59ed600328
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__hulu.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/hulu {"url":"https://hulu.com/"} -->
+<figure class="wp-block-core-embed-hulu">
+    https://hulu.com/
+    <figcaption>Embedded content from hulu</figcaption>
+</figure>
+<!-- /wp:core-embed/hulu -->
+
diff --git a/blocks/test/fixtures/core-embed__imgur.html b/blocks/test/fixtures/core-embed__imgur.html
new file mode 100644
index 0000000000000..41cf134f957d2
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__imgur.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/imgur {"url":"https://imgur.com/"} -->
+<figure class="wp-block-core-embed-imgur">
+    https://imgur.com/
+    <figcaption>Embedded content from imgur</figcaption>
+</figure>
+<!-- /wp:core-embed/imgur -->
diff --git a/blocks/test/fixtures/core-embedimgur.json b/blocks/test/fixtures/core-embed__imgur.json
similarity index 84%
rename from blocks/test/fixtures/core-embedimgur.json
rename to blocks/test/fixtures/core-embed__imgur.json
index e0a7537ddcbc4..ea3b38321bec0 100644
--- a/blocks/test/fixtures/core-embedimgur.json
+++ b/blocks/test/fixtures/core-embed__imgur.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedimgur",
+        "name": "core-embed/imgur",
         "attributes": {
             "url": "https://imgur.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__imgur.parsed.json b/blocks/test/fixtures/core-embed__imgur.parsed.json
new file mode 100644
index 0000000000000..347f7030ce9da
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__imgur.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/imgur",
+        "attrs": {
+            "url": "https://imgur.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-imgur\">\n    https://imgur.com/\n    <figcaption>Embedded content from imgur</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__imgur.serialized.html b/blocks/test/fixtures/core-embed__imgur.serialized.html
new file mode 100644
index 0000000000000..ad14cbe6c84c4
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__imgur.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/imgur {"url":"https://imgur.com/"} -->
+<figure class="wp-block-core-embed-imgur">
+    https://imgur.com/
+    <figcaption>Embedded content from imgur</figcaption>
+</figure>
+<!-- /wp:core-embed/imgur -->
+
diff --git a/blocks/test/fixtures/core-embed__instagram.html b/blocks/test/fixtures/core-embed__instagram.html
new file mode 100644
index 0000000000000..3cf13efbc3e9c
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__instagram.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/instagram {"url":"https://instagram.com/"} -->
+<figure class="wp-block-core-embed-instagram">
+    https://instagram.com/
+    <figcaption>Embedded content from instagram</figcaption>
+</figure>
+<!-- /wp:core-embed/instagram -->
diff --git a/blocks/test/fixtures/core-embedinstagram.json b/blocks/test/fixtures/core-embed__instagram.json
similarity index 83%
rename from blocks/test/fixtures/core-embedinstagram.json
rename to blocks/test/fixtures/core-embed__instagram.json
index a2d7ea8e095e5..b47836c1c0daa 100644
--- a/blocks/test/fixtures/core-embedinstagram.json
+++ b/blocks/test/fixtures/core-embed__instagram.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedinstagram",
+        "name": "core-embed/instagram",
         "attributes": {
             "url": "https://instagram.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__instagram.parsed.json b/blocks/test/fixtures/core-embed__instagram.parsed.json
new file mode 100644
index 0000000000000..a2bce58ca6c55
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__instagram.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/instagram",
+        "attrs": {
+            "url": "https://instagram.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-instagram\">\n    https://instagram.com/\n    <figcaption>Embedded content from instagram</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__instagram.serialized.html b/blocks/test/fixtures/core-embed__instagram.serialized.html
new file mode 100644
index 0000000000000..358a54d0fbd2a
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__instagram.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/instagram {"url":"https://instagram.com/"} -->
+<figure class="wp-block-core-embed-instagram">
+    https://instagram.com/
+    <figcaption>Embedded content from instagram</figcaption>
+</figure>
+<!-- /wp:core-embed/instagram -->
+
diff --git a/blocks/test/fixtures/core-embed__issuu.html b/blocks/test/fixtures/core-embed__issuu.html
new file mode 100644
index 0000000000000..41f8a3e556edc
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__issuu.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/issuu {"url":"https://issuu.com/"} -->
+<figure class="wp-block-core-embed-issuu">
+    https://issuu.com/
+    <figcaption>Embedded content from issuu</figcaption>
+</figure>
+<!-- /wp:core-embed/issuu -->
diff --git a/blocks/test/fixtures/core-embedissuu.json b/blocks/test/fixtures/core-embed__issuu.json
similarity index 84%
rename from blocks/test/fixtures/core-embedissuu.json
rename to blocks/test/fixtures/core-embed__issuu.json
index f1513bd35f5b0..868cd489e5c38 100644
--- a/blocks/test/fixtures/core-embedissuu.json
+++ b/blocks/test/fixtures/core-embed__issuu.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedissuu",
+        "name": "core-embed/issuu",
         "attributes": {
             "url": "https://issuu.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__issuu.parsed.json b/blocks/test/fixtures/core-embed__issuu.parsed.json
new file mode 100644
index 0000000000000..8295d85605975
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__issuu.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/issuu",
+        "attrs": {
+            "url": "https://issuu.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-issuu\">\n    https://issuu.com/\n    <figcaption>Embedded content from issuu</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__issuu.serialized.html b/blocks/test/fixtures/core-embed__issuu.serialized.html
new file mode 100644
index 0000000000000..e97013bd9c875
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__issuu.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/issuu {"url":"https://issuu.com/"} -->
+<figure class="wp-block-core-embed-issuu">
+    https://issuu.com/
+    <figcaption>Embedded content from issuu</figcaption>
+</figure>
+<!-- /wp:core-embed/issuu -->
+
diff --git a/blocks/test/fixtures/core-embed__kickstarter.html b/blocks/test/fixtures/core-embed__kickstarter.html
new file mode 100644
index 0000000000000..3032298f35bfd
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__kickstarter.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/kickstarter {"url":"https://kickstarter.com/"} -->
+<figure class="wp-block-core-embed-kickstarter">
+    https://kickstarter.com/
+    <figcaption>Embedded content from kickstarter</figcaption>
+</figure>
+<!-- /wp:core-embed/kickstarter -->
diff --git a/blocks/test/fixtures/core-embedkickstarter.json b/blocks/test/fixtures/core-embed__kickstarter.json
similarity index 83%
rename from blocks/test/fixtures/core-embedkickstarter.json
rename to blocks/test/fixtures/core-embed__kickstarter.json
index cc0a212d539e7..e917cfa1e3385 100644
--- a/blocks/test/fixtures/core-embedkickstarter.json
+++ b/blocks/test/fixtures/core-embed__kickstarter.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedkickstarter",
+        "name": "core-embed/kickstarter",
         "attributes": {
             "url": "https://kickstarter.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__kickstarter.parsed.json b/blocks/test/fixtures/core-embed__kickstarter.parsed.json
new file mode 100644
index 0000000000000..ec5e4da18a7b4
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__kickstarter.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/kickstarter",
+        "attrs": {
+            "url": "https://kickstarter.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-kickstarter\">\n    https://kickstarter.com/\n    <figcaption>Embedded content from kickstarter</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__kickstarter.serialized.html b/blocks/test/fixtures/core-embed__kickstarter.serialized.html
new file mode 100644
index 0000000000000..b35e710436b46
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__kickstarter.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/kickstarter {"url":"https://kickstarter.com/"} -->
+<figure class="wp-block-core-embed-kickstarter">
+    https://kickstarter.com/
+    <figcaption>Embedded content from kickstarter</figcaption>
+</figure>
+<!-- /wp:core-embed/kickstarter -->
+
diff --git a/blocks/test/fixtures/core-embed__meetup-com.html b/blocks/test/fixtures/core-embed__meetup-com.html
new file mode 100644
index 0000000000000..221881f0bf8ae
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__meetup-com.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/meetup-com {"url":"https://meetup.com/"} -->
+<figure class="wp-block-core-embed-meetup-com">
+    https://meetup.com/
+    <figcaption>Embedded content from meetup-com</figcaption>
+</figure>
+<!-- /wp:core-embed/meetup-com -->
diff --git a/blocks/test/fixtures/core-embed__meetup-com.json b/blocks/test/fixtures/core-embed__meetup-com.json
new file mode 100644
index 0000000000000..f29968f908286
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__meetup-com.json
@@ -0,0 +1,12 @@
+[
+    {
+        "uid": "_uid_0",
+        "name": "core-embed/meetup-com",
+        "attributes": {
+            "url": "https://meetup.com/",
+            "caption": [
+                "Embedded content from meetup-com"
+            ]
+        }
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__meetup-com.parsed.json b/blocks/test/fixtures/core-embed__meetup-com.parsed.json
new file mode 100644
index 0000000000000..55e12e8a55f31
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__meetup-com.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/meetup-com",
+        "attrs": {
+            "url": "https://meetup.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-meetup-com\">\n    https://meetup.com/\n    <figcaption>Embedded content from meetup-com</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__meetup-com.serialized.html b/blocks/test/fixtures/core-embed__meetup-com.serialized.html
new file mode 100644
index 0000000000000..c2bb49382b4ff
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__meetup-com.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/meetup-com {"url":"https://meetup.com/"} -->
+<figure class="wp-block-core-embed-meetup-com">
+    https://meetup.com/
+    <figcaption>Embedded content from meetup-com</figcaption>
+</figure>
+<!-- /wp:core-embed/meetup-com -->
+
diff --git a/blocks/test/fixtures/core-embed__mixcloud.html b/blocks/test/fixtures/core-embed__mixcloud.html
new file mode 100644
index 0000000000000..f88ce4620ea62
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__mixcloud.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/mixcloud {"url":"https://mixcloud.com/"} -->
+<figure class="wp-block-core-embed-mixcloud">
+    https://mixcloud.com/
+    <figcaption>Embedded content from mixcloud</figcaption>
+</figure>
+<!-- /wp:core-embed/mixcloud -->
diff --git a/blocks/test/fixtures/core-embedmixcloud.json b/blocks/test/fixtures/core-embed__mixcloud.json
similarity index 84%
rename from blocks/test/fixtures/core-embedmixcloud.json
rename to blocks/test/fixtures/core-embed__mixcloud.json
index f59153c7e00ea..1594c158acbe6 100644
--- a/blocks/test/fixtures/core-embedmixcloud.json
+++ b/blocks/test/fixtures/core-embed__mixcloud.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedmixcloud",
+        "name": "core-embed/mixcloud",
         "attributes": {
             "url": "https://mixcloud.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__mixcloud.parsed.json b/blocks/test/fixtures/core-embed__mixcloud.parsed.json
new file mode 100644
index 0000000000000..9ae1b7ce80d37
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__mixcloud.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/mixcloud",
+        "attrs": {
+            "url": "https://mixcloud.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-mixcloud\">\n    https://mixcloud.com/\n    <figcaption>Embedded content from mixcloud</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__mixcloud.serialized.html b/blocks/test/fixtures/core-embed__mixcloud.serialized.html
new file mode 100644
index 0000000000000..e6a58ae7662ff
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__mixcloud.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/mixcloud {"url":"https://mixcloud.com/"} -->
+<figure class="wp-block-core-embed-mixcloud">
+    https://mixcloud.com/
+    <figcaption>Embedded content from mixcloud</figcaption>
+</figure>
+<!-- /wp:core-embed/mixcloud -->
+
diff --git a/blocks/test/fixtures/core-embed__photobucket.html b/blocks/test/fixtures/core-embed__photobucket.html
new file mode 100644
index 0000000000000..045edc2b90b09
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__photobucket.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/photobucket {"url":"https://photobucket.com/"} -->
+<figure class="wp-block-core-embed-photobucket">
+    https://photobucket.com/
+    <figcaption>Embedded content from photobucket</figcaption>
+</figure>
+<!-- /wp:core-embed/photobucket -->
diff --git a/blocks/test/fixtures/core-embedphotobucket.json b/blocks/test/fixtures/core-embed__photobucket.json
similarity index 83%
rename from blocks/test/fixtures/core-embedphotobucket.json
rename to blocks/test/fixtures/core-embed__photobucket.json
index 36514c153de13..f8c2148cbcc77 100644
--- a/blocks/test/fixtures/core-embedphotobucket.json
+++ b/blocks/test/fixtures/core-embed__photobucket.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedphotobucket",
+        "name": "core-embed/photobucket",
         "attributes": {
             "url": "https://photobucket.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__photobucket.parsed.json b/blocks/test/fixtures/core-embed__photobucket.parsed.json
new file mode 100644
index 0000000000000..d555f9091b568
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__photobucket.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/photobucket",
+        "attrs": {
+            "url": "https://photobucket.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-photobucket\">\n    https://photobucket.com/\n    <figcaption>Embedded content from photobucket</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__photobucket.serialized.html b/blocks/test/fixtures/core-embed__photobucket.serialized.html
new file mode 100644
index 0000000000000..dac6bfdfd0e04
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__photobucket.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/photobucket {"url":"https://photobucket.com/"} -->
+<figure class="wp-block-core-embed-photobucket">
+    https://photobucket.com/
+    <figcaption>Embedded content from photobucket</figcaption>
+</figure>
+<!-- /wp:core-embed/photobucket -->
+
diff --git a/blocks/test/fixtures/core-embed__polldaddy.html b/blocks/test/fixtures/core-embed__polldaddy.html
new file mode 100644
index 0000000000000..eaf97d43c9c0b
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__polldaddy.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/polldaddy {"url":"https://polldaddy.com/"} -->
+<figure class="wp-block-core-embed-polldaddy">
+    https://polldaddy.com/
+    <figcaption>Embedded content from polldaddy</figcaption>
+</figure>
+<!-- /wp:core-embed/polldaddy -->
diff --git a/blocks/test/fixtures/core-embedpolldaddy.json b/blocks/test/fixtures/core-embed__polldaddy.json
similarity index 83%
rename from blocks/test/fixtures/core-embedpolldaddy.json
rename to blocks/test/fixtures/core-embed__polldaddy.json
index 018a0e1c5ea4e..05e4cbeaf045c 100644
--- a/blocks/test/fixtures/core-embedpolldaddy.json
+++ b/blocks/test/fixtures/core-embed__polldaddy.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedpolldaddy",
+        "name": "core-embed/polldaddy",
         "attributes": {
             "url": "https://polldaddy.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__polldaddy.parsed.json b/blocks/test/fixtures/core-embed__polldaddy.parsed.json
new file mode 100644
index 0000000000000..6629a355f0e9b
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__polldaddy.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/polldaddy",
+        "attrs": {
+            "url": "https://polldaddy.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-polldaddy\">\n    https://polldaddy.com/\n    <figcaption>Embedded content from polldaddy</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__polldaddy.serialized.html b/blocks/test/fixtures/core-embed__polldaddy.serialized.html
new file mode 100644
index 0000000000000..d124765b91db0
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__polldaddy.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/polldaddy {"url":"https://polldaddy.com/"} -->
+<figure class="wp-block-core-embed-polldaddy">
+    https://polldaddy.com/
+    <figcaption>Embedded content from polldaddy</figcaption>
+</figure>
+<!-- /wp:core-embed/polldaddy -->
+
diff --git a/blocks/test/fixtures/core-embed__reddit.html b/blocks/test/fixtures/core-embed__reddit.html
new file mode 100644
index 0000000000000..dbdf756fe06c8
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reddit.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/reddit {"url":"https://reddit.com/"} -->
+<figure class="wp-block-core-embed-reddit">
+    https://reddit.com/
+    <figcaption>Embedded content from reddit</figcaption>
+</figure>
+<!-- /wp:core-embed/reddit -->
diff --git a/blocks/test/fixtures/core-embedreddit.json b/blocks/test/fixtures/core-embed__reddit.json
similarity index 84%
rename from blocks/test/fixtures/core-embedreddit.json
rename to blocks/test/fixtures/core-embed__reddit.json
index 011034075516e..a04125b76926b 100644
--- a/blocks/test/fixtures/core-embedreddit.json
+++ b/blocks/test/fixtures/core-embed__reddit.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedreddit",
+        "name": "core-embed/reddit",
         "attributes": {
             "url": "https://reddit.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__reddit.parsed.json b/blocks/test/fixtures/core-embed__reddit.parsed.json
new file mode 100644
index 0000000000000..71d7fd1d48cbb
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reddit.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/reddit",
+        "attrs": {
+            "url": "https://reddit.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-reddit\">\n    https://reddit.com/\n    <figcaption>Embedded content from reddit</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__reddit.serialized.html b/blocks/test/fixtures/core-embed__reddit.serialized.html
new file mode 100644
index 0000000000000..545afe9419afe
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reddit.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/reddit {"url":"https://reddit.com/"} -->
+<figure class="wp-block-core-embed-reddit">
+    https://reddit.com/
+    <figcaption>Embedded content from reddit</figcaption>
+</figure>
+<!-- /wp:core-embed/reddit -->
+
diff --git a/blocks/test/fixtures/core-embed__reverbnation.html b/blocks/test/fixtures/core-embed__reverbnation.html
new file mode 100644
index 0000000000000..5015f02812540
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reverbnation.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/reverbnation {"url":"https://reverbnation.com/"} -->
+<figure class="wp-block-core-embed-reverbnation">
+    https://reverbnation.com/
+    <figcaption>Embedded content from reverbnation</figcaption>
+</figure>
+<!-- /wp:core-embed/reverbnation -->
diff --git a/blocks/test/fixtures/core-embedreverbnation.json b/blocks/test/fixtures/core-embed__reverbnation.json
similarity index 83%
rename from blocks/test/fixtures/core-embedreverbnation.json
rename to blocks/test/fixtures/core-embed__reverbnation.json
index 44d1f94f2c59c..de0f5c62ef564 100644
--- a/blocks/test/fixtures/core-embedreverbnation.json
+++ b/blocks/test/fixtures/core-embed__reverbnation.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedreverbnation",
+        "name": "core-embed/reverbnation",
         "attributes": {
             "url": "https://reverbnation.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__reverbnation.parsed.json b/blocks/test/fixtures/core-embed__reverbnation.parsed.json
new file mode 100644
index 0000000000000..b06041940dccf
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reverbnation.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/reverbnation",
+        "attrs": {
+            "url": "https://reverbnation.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-reverbnation\">\n    https://reverbnation.com/\n    <figcaption>Embedded content from reverbnation</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__reverbnation.serialized.html b/blocks/test/fixtures/core-embed__reverbnation.serialized.html
new file mode 100644
index 0000000000000..d61d5d5b27089
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__reverbnation.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/reverbnation {"url":"https://reverbnation.com/"} -->
+<figure class="wp-block-core-embed-reverbnation">
+    https://reverbnation.com/
+    <figcaption>Embedded content from reverbnation</figcaption>
+</figure>
+<!-- /wp:core-embed/reverbnation -->
+
diff --git a/blocks/test/fixtures/core-embed__screencast.html b/blocks/test/fixtures/core-embed__screencast.html
new file mode 100644
index 0000000000000..69a132e33f867
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__screencast.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/screencast {"url":"https://screencast.com/"} -->
+<figure class="wp-block-core-embed-screencast">
+    https://screencast.com/
+    <figcaption>Embedded content from screencast</figcaption>
+</figure>
+<!-- /wp:core-embed/screencast -->
diff --git a/blocks/test/fixtures/core-embedscreencast.json b/blocks/test/fixtures/core-embed__screencast.json
similarity index 83%
rename from blocks/test/fixtures/core-embedscreencast.json
rename to blocks/test/fixtures/core-embed__screencast.json
index 6dec7a9a1a532..a34839a87c243 100644
--- a/blocks/test/fixtures/core-embedscreencast.json
+++ b/blocks/test/fixtures/core-embed__screencast.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedscreencast",
+        "name": "core-embed/screencast",
         "attributes": {
             "url": "https://screencast.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__screencast.parsed.json b/blocks/test/fixtures/core-embed__screencast.parsed.json
new file mode 100644
index 0000000000000..b32db11536657
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__screencast.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/screencast",
+        "attrs": {
+            "url": "https://screencast.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-screencast\">\n    https://screencast.com/\n    <figcaption>Embedded content from screencast</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__screencast.serialized.html b/blocks/test/fixtures/core-embed__screencast.serialized.html
new file mode 100644
index 0000000000000..9be1814e0ffdc
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__screencast.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/screencast {"url":"https://screencast.com/"} -->
+<figure class="wp-block-core-embed-screencast">
+    https://screencast.com/
+    <figcaption>Embedded content from screencast</figcaption>
+</figure>
+<!-- /wp:core-embed/screencast -->
+
diff --git a/blocks/test/fixtures/core-embed__scribd.html b/blocks/test/fixtures/core-embed__scribd.html
new file mode 100644
index 0000000000000..5d960344af60d
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__scribd.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/scribd {"url":"https://scribd.com/"} -->
+<figure class="wp-block-core-embed-scribd">
+    https://scribd.com/
+    <figcaption>Embedded content from scribd</figcaption>
+</figure>
+<!-- /wp:core-embed/scribd -->
diff --git a/blocks/test/fixtures/core-embedscribd.json b/blocks/test/fixtures/core-embed__scribd.json
similarity index 84%
rename from blocks/test/fixtures/core-embedscribd.json
rename to blocks/test/fixtures/core-embed__scribd.json
index 5efcbdf619f5b..81789fe717be3 100644
--- a/blocks/test/fixtures/core-embedscribd.json
+++ b/blocks/test/fixtures/core-embed__scribd.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedscribd",
+        "name": "core-embed/scribd",
         "attributes": {
             "url": "https://scribd.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__scribd.parsed.json b/blocks/test/fixtures/core-embed__scribd.parsed.json
new file mode 100644
index 0000000000000..50922c445263c
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__scribd.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/scribd",
+        "attrs": {
+            "url": "https://scribd.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-scribd\">\n    https://scribd.com/\n    <figcaption>Embedded content from scribd</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__scribd.serialized.html b/blocks/test/fixtures/core-embed__scribd.serialized.html
new file mode 100644
index 0000000000000..bdddf5f3c6542
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__scribd.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/scribd {"url":"https://scribd.com/"} -->
+<figure class="wp-block-core-embed-scribd">
+    https://scribd.com/
+    <figcaption>Embedded content from scribd</figcaption>
+</figure>
+<!-- /wp:core-embed/scribd -->
+
diff --git a/blocks/test/fixtures/core-embed__slideshare.html b/blocks/test/fixtures/core-embed__slideshare.html
new file mode 100644
index 0000000000000..53435e5bafef6
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__slideshare.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/slideshare {"url":"https://slideshare.com/"} -->
+<figure class="wp-block-core-embed-slideshare">
+    https://slideshare.com/
+    <figcaption>Embedded content from slideshare</figcaption>
+</figure>
+<!-- /wp:core-embed/slideshare -->
diff --git a/blocks/test/fixtures/core-embedslideshare.json b/blocks/test/fixtures/core-embed__slideshare.json
similarity index 83%
rename from blocks/test/fixtures/core-embedslideshare.json
rename to blocks/test/fixtures/core-embed__slideshare.json
index 9010eb8206755..db0f30df975a9 100644
--- a/blocks/test/fixtures/core-embedslideshare.json
+++ b/blocks/test/fixtures/core-embed__slideshare.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedslideshare",
+        "name": "core-embed/slideshare",
         "attributes": {
             "url": "https://slideshare.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__slideshare.parsed.json b/blocks/test/fixtures/core-embed__slideshare.parsed.json
new file mode 100644
index 0000000000000..523505936a96d
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__slideshare.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/slideshare",
+        "attrs": {
+            "url": "https://slideshare.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-slideshare\">\n    https://slideshare.com/\n    <figcaption>Embedded content from slideshare</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__slideshare.serialized.html b/blocks/test/fixtures/core-embed__slideshare.serialized.html
new file mode 100644
index 0000000000000..7e8bd7559e87a
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__slideshare.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/slideshare {"url":"https://slideshare.com/"} -->
+<figure class="wp-block-core-embed-slideshare">
+    https://slideshare.com/
+    <figcaption>Embedded content from slideshare</figcaption>
+</figure>
+<!-- /wp:core-embed/slideshare -->
+
diff --git a/blocks/test/fixtures/core-embed__smugmug.html b/blocks/test/fixtures/core-embed__smugmug.html
new file mode 100644
index 0000000000000..2c340e414b660
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__smugmug.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/smugmug {"url":"https://smugmug.com/"} -->
+<figure class="wp-block-core-embed-smugmug">
+    https://smugmug.com/
+    <figcaption>Embedded content from smugmug</figcaption>
+</figure>
+<!-- /wp:core-embed/smugmug -->
diff --git a/blocks/test/fixtures/core-embedsmugmug.json b/blocks/test/fixtures/core-embed__smugmug.json
similarity index 84%
rename from blocks/test/fixtures/core-embedsmugmug.json
rename to blocks/test/fixtures/core-embed__smugmug.json
index cecab2e26b8e5..5b705c05e5c7d 100644
--- a/blocks/test/fixtures/core-embedsmugmug.json
+++ b/blocks/test/fixtures/core-embed__smugmug.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedsmugmug",
+        "name": "core-embed/smugmug",
         "attributes": {
             "url": "https://smugmug.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__smugmug.parsed.json b/blocks/test/fixtures/core-embed__smugmug.parsed.json
new file mode 100644
index 0000000000000..4dba20d68362a
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__smugmug.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/smugmug",
+        "attrs": {
+            "url": "https://smugmug.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-smugmug\">\n    https://smugmug.com/\n    <figcaption>Embedded content from smugmug</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__smugmug.serialized.html b/blocks/test/fixtures/core-embed__smugmug.serialized.html
new file mode 100644
index 0000000000000..dd32192fa56e6
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__smugmug.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/smugmug {"url":"https://smugmug.com/"} -->
+<figure class="wp-block-core-embed-smugmug">
+    https://smugmug.com/
+    <figcaption>Embedded content from smugmug</figcaption>
+</figure>
+<!-- /wp:core-embed/smugmug -->
+
diff --git a/blocks/test/fixtures/core-embed__soundcloud.html b/blocks/test/fixtures/core-embed__soundcloud.html
new file mode 100644
index 0000000000000..9bc65d3b98839
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__soundcloud.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/soundcloud {"url":"https://soundcloud.com/"} -->
+<figure class="wp-block-core-embed-soundcloud">
+    https://soundcloud.com/
+    <figcaption>Embedded content from soundcloud</figcaption>
+</figure>
+<!-- /wp:core-embed/soundcloud -->
diff --git a/blocks/test/fixtures/core-embedsoundcloud.json b/blocks/test/fixtures/core-embed__soundcloud.json
similarity index 83%
rename from blocks/test/fixtures/core-embedsoundcloud.json
rename to blocks/test/fixtures/core-embed__soundcloud.json
index 637ecec8577f8..210360add6681 100644
--- a/blocks/test/fixtures/core-embedsoundcloud.json
+++ b/blocks/test/fixtures/core-embed__soundcloud.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedsoundcloud",
+        "name": "core-embed/soundcloud",
         "attributes": {
             "url": "https://soundcloud.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__soundcloud.parsed.json b/blocks/test/fixtures/core-embed__soundcloud.parsed.json
new file mode 100644
index 0000000000000..97553adfaba9f
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__soundcloud.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/soundcloud",
+        "attrs": {
+            "url": "https://soundcloud.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-soundcloud\">\n    https://soundcloud.com/\n    <figcaption>Embedded content from soundcloud</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__soundcloud.serialized.html b/blocks/test/fixtures/core-embed__soundcloud.serialized.html
new file mode 100644
index 0000000000000..61cb25dc74c49
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__soundcloud.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/soundcloud {"url":"https://soundcloud.com/"} -->
+<figure class="wp-block-core-embed-soundcloud">
+    https://soundcloud.com/
+    <figcaption>Embedded content from soundcloud</figcaption>
+</figure>
+<!-- /wp:core-embed/soundcloud -->
+
diff --git a/blocks/test/fixtures/core-embed__speaker.html b/blocks/test/fixtures/core-embed__speaker.html
new file mode 100644
index 0000000000000..c458601cf0ec5
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__speaker.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/speaker {"url":"https://speaker.com/"} -->
+<figure class="wp-block-core-embed-speaker">
+    https://speaker.com/
+    <figcaption>Embedded content from speaker</figcaption>
+</figure>
+<!-- /wp:core-embed/speaker -->
diff --git a/blocks/test/fixtures/core-embedspeaker.json b/blocks/test/fixtures/core-embed__speaker.json
similarity index 84%
rename from blocks/test/fixtures/core-embedspeaker.json
rename to blocks/test/fixtures/core-embed__speaker.json
index 0f0c54b3f0f77..7fea3ba89edbd 100644
--- a/blocks/test/fixtures/core-embedspeaker.json
+++ b/blocks/test/fixtures/core-embed__speaker.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedspeaker",
+        "name": "core-embed/speaker",
         "attributes": {
             "url": "https://speaker.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__speaker.parsed.json b/blocks/test/fixtures/core-embed__speaker.parsed.json
new file mode 100644
index 0000000000000..127334955b576
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__speaker.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/speaker",
+        "attrs": {
+            "url": "https://speaker.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-speaker\">\n    https://speaker.com/\n    <figcaption>Embedded content from speaker</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__speaker.serialized.html b/blocks/test/fixtures/core-embed__speaker.serialized.html
new file mode 100644
index 0000000000000..c193768710e72
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__speaker.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/speaker {"url":"https://speaker.com/"} -->
+<figure class="wp-block-core-embed-speaker">
+    https://speaker.com/
+    <figcaption>Embedded content from speaker</figcaption>
+</figure>
+<!-- /wp:core-embed/speaker -->
+
diff --git a/blocks/test/fixtures/core-embed__spotify.html b/blocks/test/fixtures/core-embed__spotify.html
new file mode 100644
index 0000000000000..a4713c74edf9e
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__spotify.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/spotify {"url":"https://spotify.com/"} -->
+<figure class="wp-block-core-embed-spotify">
+    https://spotify.com/
+    <figcaption>Embedded content from spotify</figcaption>
+</figure>
+<!-- /wp:core-embed/spotify -->
diff --git a/blocks/test/fixtures/core-embedspotify.json b/blocks/test/fixtures/core-embed__spotify.json
similarity index 84%
rename from blocks/test/fixtures/core-embedspotify.json
rename to blocks/test/fixtures/core-embed__spotify.json
index 2e712f86c1ec4..2e1076dbb0c5f 100644
--- a/blocks/test/fixtures/core-embedspotify.json
+++ b/blocks/test/fixtures/core-embed__spotify.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedspotify",
+        "name": "core-embed/spotify",
         "attributes": {
             "url": "https://spotify.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__spotify.parsed.json b/blocks/test/fixtures/core-embed__spotify.parsed.json
new file mode 100644
index 0000000000000..0c3167f1dc130
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__spotify.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/spotify",
+        "attrs": {
+            "url": "https://spotify.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-spotify\">\n    https://spotify.com/\n    <figcaption>Embedded content from spotify</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__spotify.serialized.html b/blocks/test/fixtures/core-embed__spotify.serialized.html
new file mode 100644
index 0000000000000..96b1a511ad1f1
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__spotify.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/spotify {"url":"https://spotify.com/"} -->
+<figure class="wp-block-core-embed-spotify">
+    https://spotify.com/
+    <figcaption>Embedded content from spotify</figcaption>
+</figure>
+<!-- /wp:core-embed/spotify -->
+
diff --git a/blocks/test/fixtures/core-embed__ted.html b/blocks/test/fixtures/core-embed__ted.html
new file mode 100644
index 0000000000000..ed6b0ef0ca02a
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__ted.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/ted {"url":"https://ted.com/"} -->
+<figure class="wp-block-core-embed-ted">
+    https://ted.com/
+    <figcaption>Embedded content from ted</figcaption>
+</figure>
+<!-- /wp:core-embed/ted -->
diff --git a/blocks/test/fixtures/core-embedted.json b/blocks/test/fixtures/core-embed__ted.json
similarity index 85%
rename from blocks/test/fixtures/core-embedted.json
rename to blocks/test/fixtures/core-embed__ted.json
index 13c190858f8c7..5011154882c69 100644
--- a/blocks/test/fixtures/core-embedted.json
+++ b/blocks/test/fixtures/core-embed__ted.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedted",
+        "name": "core-embed/ted",
         "attributes": {
             "url": "https://ted.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__ted.parsed.json b/blocks/test/fixtures/core-embed__ted.parsed.json
new file mode 100644
index 0000000000000..6ee770cf1a083
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__ted.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/ted",
+        "attrs": {
+            "url": "https://ted.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-ted\">\n    https://ted.com/\n    <figcaption>Embedded content from ted</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__ted.serialized.html b/blocks/test/fixtures/core-embed__ted.serialized.html
new file mode 100644
index 0000000000000..24e3939e19c33
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__ted.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/ted {"url":"https://ted.com/"} -->
+<figure class="wp-block-core-embed-ted">
+    https://ted.com/
+    <figcaption>Embedded content from ted</figcaption>
+</figure>
+<!-- /wp:core-embed/ted -->
+
diff --git a/blocks/test/fixtures/core-embed__tumblr.html b/blocks/test/fixtures/core-embed__tumblr.html
new file mode 100644
index 0000000000000..6d323c0287889
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__tumblr.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/tumblr {"url":"https://tumblr.com/"} -->
+<figure class="wp-block-core-embed-tumblr">
+    https://tumblr.com/
+    <figcaption>Embedded content from tumblr</figcaption>
+</figure>
+<!-- /wp:core-embed/tumblr -->
diff --git a/blocks/test/fixtures/core-embedtumblr.json b/blocks/test/fixtures/core-embed__tumblr.json
similarity index 84%
rename from blocks/test/fixtures/core-embedtumblr.json
rename to blocks/test/fixtures/core-embed__tumblr.json
index 17e23cd9a8d0c..ba37f49055801 100644
--- a/blocks/test/fixtures/core-embedtumblr.json
+++ b/blocks/test/fixtures/core-embed__tumblr.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedtumblr",
+        "name": "core-embed/tumblr",
         "attributes": {
             "url": "https://tumblr.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__tumblr.parsed.json b/blocks/test/fixtures/core-embed__tumblr.parsed.json
new file mode 100644
index 0000000000000..dfed848f337c5
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__tumblr.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/tumblr",
+        "attrs": {
+            "url": "https://tumblr.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-tumblr\">\n    https://tumblr.com/\n    <figcaption>Embedded content from tumblr</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__tumblr.serialized.html b/blocks/test/fixtures/core-embed__tumblr.serialized.html
new file mode 100644
index 0000000000000..64d2e470c49d5
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__tumblr.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/tumblr {"url":"https://tumblr.com/"} -->
+<figure class="wp-block-core-embed-tumblr">
+    https://tumblr.com/
+    <figcaption>Embedded content from tumblr</figcaption>
+</figure>
+<!-- /wp:core-embed/tumblr -->
+
diff --git a/blocks/test/fixtures/core-embed__twitter.html b/blocks/test/fixtures/core-embed__twitter.html
new file mode 100644
index 0000000000000..0c4dea12a0e81
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__twitter.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/twitter {"url":"https://twitter.com/automattic"} -->
+<figure class="wp-block-core-embed-twitter">
+    https://twitter.com/automattic
+    <figcaption>We are Automattic</figcaption>
+</figure>
+<!-- /wp:core-embed/twitter -->
diff --git a/blocks/test/fixtures/core-embedtwitter.json b/blocks/test/fixtures/core-embed__twitter.json
similarity index 84%
rename from blocks/test/fixtures/core-embedtwitter.json
rename to blocks/test/fixtures/core-embed__twitter.json
index b9d463c77dceb..ff35783fbeeaa 100644
--- a/blocks/test/fixtures/core-embedtwitter.json
+++ b/blocks/test/fixtures/core-embed__twitter.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedtwitter",
+        "name": "core-embed/twitter",
         "attributes": {
             "url": "https://twitter.com/automattic",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__twitter.parsed.json b/blocks/test/fixtures/core-embed__twitter.parsed.json
new file mode 100644
index 0000000000000..d6d343f46de5e
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__twitter.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/twitter",
+        "attrs": {
+            "url": "https://twitter.com/automattic"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-twitter\">\n    https://twitter.com/automattic\n    <figcaption>We are Automattic</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__twitter.serialized.html b/blocks/test/fixtures/core-embed__twitter.serialized.html
new file mode 100644
index 0000000000000..817d3f66df3b6
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__twitter.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/twitter {"url":"https://twitter.com/automattic"} -->
+<figure class="wp-block-core-embed-twitter">
+    https://twitter.com/automattic
+    <figcaption>We are Automattic</figcaption>
+</figure>
+<!-- /wp:core-embed/twitter -->
+
diff --git a/blocks/test/fixtures/core-embed__videopress.html b/blocks/test/fixtures/core-embed__videopress.html
new file mode 100644
index 0000000000000..30caf20e70225
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__videopress.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/videopress {"url":"https://videopress.com/"} -->
+<figure class="wp-block-core-embed-videopress">
+    https://videopress.com/
+    <figcaption>Embedded content from videopress</figcaption>
+</figure>
+<!-- /wp:core-embed/videopress -->
diff --git a/blocks/test/fixtures/core-embedvideopress.json b/blocks/test/fixtures/core-embed__videopress.json
similarity index 83%
rename from blocks/test/fixtures/core-embedvideopress.json
rename to blocks/test/fixtures/core-embed__videopress.json
index 8b8f35ff484b5..65e9458e95d87 100644
--- a/blocks/test/fixtures/core-embedvideopress.json
+++ b/blocks/test/fixtures/core-embed__videopress.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedvideopress",
+        "name": "core-embed/videopress",
         "attributes": {
             "url": "https://videopress.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__videopress.parsed.json b/blocks/test/fixtures/core-embed__videopress.parsed.json
new file mode 100644
index 0000000000000..5076dc3437aa9
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__videopress.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/videopress",
+        "attrs": {
+            "url": "https://videopress.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-videopress\">\n    https://videopress.com/\n    <figcaption>Embedded content from videopress</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__videopress.serialized.html b/blocks/test/fixtures/core-embed__videopress.serialized.html
new file mode 100644
index 0000000000000..756ab1521df77
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__videopress.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/videopress {"url":"https://videopress.com/"} -->
+<figure class="wp-block-core-embed-videopress">
+    https://videopress.com/
+    <figcaption>Embedded content from videopress</figcaption>
+</figure>
+<!-- /wp:core-embed/videopress -->
+
diff --git a/blocks/test/fixtures/core-embed__vimeo.html b/blocks/test/fixtures/core-embed__vimeo.html
new file mode 100644
index 0000000000000..4f0bbfceb9eaf
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vimeo.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/vimeo {"url":"https://vimeo.com/"} -->
+<figure class="wp-block-core-embed-vimeo">
+    https://vimeo.com/
+    <figcaption>Embedded content from vimeo</figcaption>
+</figure>
+<!-- /wp:core-embed/vimeo -->
diff --git a/blocks/test/fixtures/core-embedvimeo.json b/blocks/test/fixtures/core-embed__vimeo.json
similarity index 84%
rename from blocks/test/fixtures/core-embedvimeo.json
rename to blocks/test/fixtures/core-embed__vimeo.json
index 828eea64c814d..a1f215beed6a8 100644
--- a/blocks/test/fixtures/core-embedvimeo.json
+++ b/blocks/test/fixtures/core-embed__vimeo.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedvimeo",
+        "name": "core-embed/vimeo",
         "attributes": {
             "url": "https://vimeo.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__vimeo.parsed.json b/blocks/test/fixtures/core-embed__vimeo.parsed.json
new file mode 100644
index 0000000000000..b25b1ce8b02a7
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vimeo.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/vimeo",
+        "attrs": {
+            "url": "https://vimeo.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-vimeo\">\n    https://vimeo.com/\n    <figcaption>Embedded content from vimeo</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__vimeo.serialized.html b/blocks/test/fixtures/core-embed__vimeo.serialized.html
new file mode 100644
index 0000000000000..b0914dba97721
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vimeo.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/vimeo {"url":"https://vimeo.com/"} -->
+<figure class="wp-block-core-embed-vimeo">
+    https://vimeo.com/
+    <figcaption>Embedded content from vimeo</figcaption>
+</figure>
+<!-- /wp:core-embed/vimeo -->
+
diff --git a/blocks/test/fixtures/core-embed__vine.html b/blocks/test/fixtures/core-embed__vine.html
new file mode 100644
index 0000000000000..3d412392ea304
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vine.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/vine {"url":"https://vine.com/"} -->
+<figure class="wp-block-core-embed-vine">
+    https://vine.com/
+    <figcaption>Embedded content from vine</figcaption>
+</figure>
+<!-- /wp:core-embed/vine -->
diff --git a/blocks/test/fixtures/core-embedvine.json b/blocks/test/fixtures/core-embed__vine.json
similarity index 85%
rename from blocks/test/fixtures/core-embedvine.json
rename to blocks/test/fixtures/core-embed__vine.json
index e62878c5dc38a..af44e8956044c 100644
--- a/blocks/test/fixtures/core-embedvine.json
+++ b/blocks/test/fixtures/core-embed__vine.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedvine",
+        "name": "core-embed/vine",
         "attributes": {
             "url": "https://vine.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__vine.parsed.json b/blocks/test/fixtures/core-embed__vine.parsed.json
new file mode 100644
index 0000000000000..a52b9b4109006
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vine.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/vine",
+        "attrs": {
+            "url": "https://vine.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-vine\">\n    https://vine.com/\n    <figcaption>Embedded content from vine</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__vine.serialized.html b/blocks/test/fixtures/core-embed__vine.serialized.html
new file mode 100644
index 0000000000000..52983e6eab6ff
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__vine.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/vine {"url":"https://vine.com/"} -->
+<figure class="wp-block-core-embed-vine">
+    https://vine.com/
+    <figcaption>Embedded content from vine</figcaption>
+</figure>
+<!-- /wp:core-embed/vine -->
+
diff --git a/blocks/test/fixtures/core-embed__wordpress-tv.html b/blocks/test/fixtures/core-embed__wordpress-tv.html
new file mode 100644
index 0000000000000..c978ca92539bf
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress-tv.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/wordpress-tv {"url":"https://wordpress.tv/"} -->
+<figure class="wp-block-core-embed-wordpress-tv">
+    https://wordpress.tv/
+    <figcaption>Embedded content from wordpress-tv</figcaption>
+</figure>
+<!-- /wp:core-embed/wordpress-tv -->
diff --git a/blocks/test/fixtures/core-embed__wordpress-tv.json b/blocks/test/fixtures/core-embed__wordpress-tv.json
new file mode 100644
index 0000000000000..8bf8d711faad0
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress-tv.json
@@ -0,0 +1,12 @@
+[
+    {
+        "uid": "_uid_0",
+        "name": "core-embed/wordpress-tv",
+        "attributes": {
+            "url": "https://wordpress.tv/",
+            "caption": [
+                "Embedded content from wordpress-tv"
+            ]
+        }
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__wordpress-tv.parsed.json b/blocks/test/fixtures/core-embed__wordpress-tv.parsed.json
new file mode 100644
index 0000000000000..1f4427486cee9
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress-tv.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/wordpress-tv",
+        "attrs": {
+            "url": "https://wordpress.tv/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-wordpress-tv\">\n    https://wordpress.tv/\n    <figcaption>Embedded content from wordpress-tv</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__wordpress-tv.serialized.html b/blocks/test/fixtures/core-embed__wordpress-tv.serialized.html
new file mode 100644
index 0000000000000..bad4644955123
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress-tv.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/wordpress-tv {"url":"https://wordpress.tv/"} -->
+<figure class="wp-block-core-embed-wordpress-tv">
+    https://wordpress.tv/
+    <figcaption>Embedded content from wordpress-tv</figcaption>
+</figure>
+<!-- /wp:core-embed/wordpress-tv -->
+
diff --git a/blocks/test/fixtures/core-embed__wordpress.html b/blocks/test/fixtures/core-embed__wordpress.html
new file mode 100644
index 0000000000000..ebe2b6df83f72
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/wordpress {"url":"https://wordpress.com/"} -->
+<figure class="wp-block-core-embed-wordpress">
+    https://wordpress.com/
+    <figcaption>Embedded content from WordPress</figcaption>
+</figure>
+<!-- /wp:core-embed/wordpress -->
diff --git a/blocks/test/fixtures/core-embedwordpress.json b/blocks/test/fixtures/core-embed__wordpress.json
similarity index 83%
rename from blocks/test/fixtures/core-embedwordpress.json
rename to blocks/test/fixtures/core-embed__wordpress.json
index 49ce85cd12934..eb24c5f14258d 100644
--- a/blocks/test/fixtures/core-embedwordpress.json
+++ b/blocks/test/fixtures/core-embed__wordpress.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedwordpress",
+        "name": "core-embed/wordpress",
         "attributes": {
             "url": "https://wordpress.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__wordpress.parsed.json b/blocks/test/fixtures/core-embed__wordpress.parsed.json
new file mode 100644
index 0000000000000..283eb9495ab54
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/wordpress",
+        "attrs": {
+            "url": "https://wordpress.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-wordpress\">\n    https://wordpress.com/\n    <figcaption>Embedded content from WordPress</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__wordpress.serialized.html b/blocks/test/fixtures/core-embed__wordpress.serialized.html
new file mode 100644
index 0000000000000..220298c994279
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__wordpress.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/wordpress {"url":"https://wordpress.com/"} -->
+<figure class="wp-block-core-embed-wordpress">
+    https://wordpress.com/
+    <figcaption>Embedded content from WordPress</figcaption>
+</figure>
+<!-- /wp:core-embed/wordpress -->
+
diff --git a/blocks/test/fixtures/core-embed__youtube.html b/blocks/test/fixtures/core-embed__youtube.html
new file mode 100644
index 0000000000000..f69ae07a8f720
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__youtube.html
@@ -0,0 +1,6 @@
+<!-- wp:core-embed/youtube {"url":"https://youtube.com/"} -->
+<figure class="wp-block-core-embed-youtube">
+    https://youtube.com/
+    <figcaption>Embedded content from youtube</figcaption>
+</figure>
+<!-- /wp:core-embed/youtube -->
diff --git a/blocks/test/fixtures/core-embedyoutube.json b/blocks/test/fixtures/core-embed__youtube.json
similarity index 84%
rename from blocks/test/fixtures/core-embedyoutube.json
rename to blocks/test/fixtures/core-embed__youtube.json
index 7beb5a715dfef..e03983346dcee 100644
--- a/blocks/test/fixtures/core-embedyoutube.json
+++ b/blocks/test/fixtures/core-embed__youtube.json
@@ -1,7 +1,7 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/embedyoutube",
+        "name": "core-embed/youtube",
         "attributes": {
             "url": "https://youtube.com/",
             "caption": [
diff --git a/blocks/test/fixtures/core-embed__youtube.parsed.json b/blocks/test/fixtures/core-embed__youtube.parsed.json
new file mode 100644
index 0000000000000..6438051183d90
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__youtube.parsed.json
@@ -0,0 +1,13 @@
+[
+    {
+        "blockName": "core-embed/youtube",
+        "attrs": {
+            "url": "https://youtube.com/"
+        },
+        "rawContent": "\n<figure class=\"wp-block-core-embed-youtube\">\n    https://youtube.com/\n    <figcaption>Embedded content from youtube</figcaption>\n</figure>\n"
+    },
+    {
+        "attrs": {},
+        "rawContent": "\n"
+    }
+]
diff --git a/blocks/test/fixtures/core-embed__youtube.serialized.html b/blocks/test/fixtures/core-embed__youtube.serialized.html
new file mode 100644
index 0000000000000..4fa028c1d6d27
--- /dev/null
+++ b/blocks/test/fixtures/core-embed__youtube.serialized.html
@@ -0,0 +1,7 @@
+<!-- wp:core-embed/youtube {"url":"https://youtube.com/"} -->
+<figure class="wp-block-core-embed-youtube">
+    https://youtube.com/
+    <figcaption>Embedded content from youtube</figcaption>
+</figure>
+<!-- /wp:core-embed/youtube -->
+
diff --git a/blocks/test/fixtures/core-embedanimoto.html b/blocks/test/fixtures/core-embedanimoto.html
deleted file mode 100644
index 3111d81890954..0000000000000
--- a/blocks/test/fixtures/core-embedanimoto.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedanimoto {"url":"https://animoto.com/"} -->
-<figure class="wp-block-embedanimoto">
-    https://animoto.com/
-    <figcaption>Embedded content from animoto</figcaption>
-</figure>
-<!-- /wp:core/embedanimoto -->
diff --git a/blocks/test/fixtures/core-embedanimoto.parsed.json b/blocks/test/fixtures/core-embedanimoto.parsed.json
deleted file mode 100644
index 44b9baad3d40d..0000000000000
--- a/blocks/test/fixtures/core-embedanimoto.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedanimoto",
-        "attrs": {
-            "url": "https://animoto.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedanimoto\">\n    https://animoto.com/\n    <figcaption>Embedded content from animoto</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedanimoto.serialized.html b/blocks/test/fixtures/core-embedanimoto.serialized.html
deleted file mode 100644
index 01c8d3160d1a1..0000000000000
--- a/blocks/test/fixtures/core-embedanimoto.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedanimoto {"url":"https://animoto.com/"} -->
-<figure class="wp-block-embedanimoto">
-    https://animoto.com/
-    <figcaption>Embedded content from animoto</figcaption>
-</figure>
-<!-- /wp:core/embedanimoto -->
-
diff --git a/blocks/test/fixtures/core-embedcloudup.html b/blocks/test/fixtures/core-embedcloudup.html
deleted file mode 100644
index fd72ad7e26780..0000000000000
--- a/blocks/test/fixtures/core-embedcloudup.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedcloudup {"url":"https://cloudup.com/"} -->
-<figure class="wp-block-embedcloudup">
-    https://cloudup.com/
-    <figcaption>Embedded content from cloudup</figcaption>
-</figure>
-<!-- /wp:core/embedcloudup -->
diff --git a/blocks/test/fixtures/core-embedcloudup.parsed.json b/blocks/test/fixtures/core-embedcloudup.parsed.json
deleted file mode 100644
index 7454c9510d5b3..0000000000000
--- a/blocks/test/fixtures/core-embedcloudup.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedcloudup",
-        "attrs": {
-            "url": "https://cloudup.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedcloudup\">\n    https://cloudup.com/\n    <figcaption>Embedded content from cloudup</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedcloudup.serialized.html b/blocks/test/fixtures/core-embedcloudup.serialized.html
deleted file mode 100644
index 83830d1894215..0000000000000
--- a/blocks/test/fixtures/core-embedcloudup.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedcloudup {"url":"https://cloudup.com/"} -->
-<figure class="wp-block-embedcloudup">
-    https://cloudup.com/
-    <figcaption>Embedded content from cloudup</figcaption>
-</figure>
-<!-- /wp:core/embedcloudup -->
-
diff --git a/blocks/test/fixtures/core-embedcollegehumor.html b/blocks/test/fixtures/core-embedcollegehumor.html
deleted file mode 100644
index e56c23f7b5284..0000000000000
--- a/blocks/test/fixtures/core-embedcollegehumor.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedcollegehumor {"url":"https://collegehumor.com/"} -->
-<figure class="wp-block-embedcollegehumor">
-    https://collegehumor.com/
-    <figcaption>Embedded content from collegehumor</figcaption>
-</figure>
-<!-- /wp:core/embedcollegehumor -->
diff --git a/blocks/test/fixtures/core-embedcollegehumor.parsed.json b/blocks/test/fixtures/core-embedcollegehumor.parsed.json
deleted file mode 100644
index fe0823b1b4950..0000000000000
--- a/blocks/test/fixtures/core-embedcollegehumor.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedcollegehumor",
-        "attrs": {
-            "url": "https://collegehumor.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedcollegehumor\">\n    https://collegehumor.com/\n    <figcaption>Embedded content from collegehumor</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedcollegehumor.serialized.html b/blocks/test/fixtures/core-embedcollegehumor.serialized.html
deleted file mode 100644
index 62d92ef7837a5..0000000000000
--- a/blocks/test/fixtures/core-embedcollegehumor.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedcollegehumor {"url":"https://collegehumor.com/"} -->
-<figure class="wp-block-embedcollegehumor">
-    https://collegehumor.com/
-    <figcaption>Embedded content from collegehumor</figcaption>
-</figure>
-<!-- /wp:core/embedcollegehumor -->
-
diff --git a/blocks/test/fixtures/core-embeddailymotion.html b/blocks/test/fixtures/core-embeddailymotion.html
deleted file mode 100644
index 5e3c8f8fad825..0000000000000
--- a/blocks/test/fixtures/core-embeddailymotion.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embeddailymotion {"url":"https://dailymotion.com/"} -->
-<figure class="wp-block-embeddailymotion">
-    https://dailymotion.com/
-    <figcaption>Embedded content from dailymotion</figcaption>
-</figure>
-<!-- /wp:core/embeddailymotion -->
diff --git a/blocks/test/fixtures/core-embeddailymotion.parsed.json b/blocks/test/fixtures/core-embeddailymotion.parsed.json
deleted file mode 100644
index 23f1346941de4..0000000000000
--- a/blocks/test/fixtures/core-embeddailymotion.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embeddailymotion",
-        "attrs": {
-            "url": "https://dailymotion.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embeddailymotion\">\n    https://dailymotion.com/\n    <figcaption>Embedded content from dailymotion</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embeddailymotion.serialized.html b/blocks/test/fixtures/core-embeddailymotion.serialized.html
deleted file mode 100644
index cbeb1dfb4110e..0000000000000
--- a/blocks/test/fixtures/core-embeddailymotion.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embeddailymotion {"url":"https://dailymotion.com/"} -->
-<figure class="wp-block-embeddailymotion">
-    https://dailymotion.com/
-    <figcaption>Embedded content from dailymotion</figcaption>
-</figure>
-<!-- /wp:core/embeddailymotion -->
-
diff --git a/blocks/test/fixtures/core-embedfacebook.html b/blocks/test/fixtures/core-embedfacebook.html
deleted file mode 100644
index 755ad9515c33f..0000000000000
--- a/blocks/test/fixtures/core-embedfacebook.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedfacebook {"url":"https://facebook.com/"} -->
-<figure class="wp-block-embedfacebook">
-    https://facebook.com/
-    <figcaption>Embedded content from facebook</figcaption>
-</figure>
-<!-- /wp:core/embedfacebook -->
diff --git a/blocks/test/fixtures/core-embedfacebook.parsed.json b/blocks/test/fixtures/core-embedfacebook.parsed.json
deleted file mode 100644
index ea29a1cd1c28f..0000000000000
--- a/blocks/test/fixtures/core-embedfacebook.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedfacebook",
-        "attrs": {
-            "url": "https://facebook.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedfacebook\">\n    https://facebook.com/\n    <figcaption>Embedded content from facebook</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedfacebook.serialized.html b/blocks/test/fixtures/core-embedfacebook.serialized.html
deleted file mode 100644
index 7f4b9108430de..0000000000000
--- a/blocks/test/fixtures/core-embedfacebook.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedfacebook {"url":"https://facebook.com/"} -->
-<figure class="wp-block-embedfacebook">
-    https://facebook.com/
-    <figcaption>Embedded content from facebook</figcaption>
-</figure>
-<!-- /wp:core/embedfacebook -->
-
diff --git a/blocks/test/fixtures/core-embedflickr.html b/blocks/test/fixtures/core-embedflickr.html
deleted file mode 100644
index 6baf70e456c96..0000000000000
--- a/blocks/test/fixtures/core-embedflickr.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedflickr {"url":"https://flickr.com/"} -->
-<figure class="wp-block-embedflickr">
-    https://flickr.com/
-    <figcaption>Embedded content from flickr</figcaption>
-</figure>
-<!-- /wp:core/embedflickr -->
diff --git a/blocks/test/fixtures/core-embedflickr.parsed.json b/blocks/test/fixtures/core-embedflickr.parsed.json
deleted file mode 100644
index 8bd79af05b2c6..0000000000000
--- a/blocks/test/fixtures/core-embedflickr.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedflickr",
-        "attrs": {
-            "url": "https://flickr.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedflickr\">\n    https://flickr.com/\n    <figcaption>Embedded content from flickr</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedflickr.serialized.html b/blocks/test/fixtures/core-embedflickr.serialized.html
deleted file mode 100644
index 150a5b6076bb6..0000000000000
--- a/blocks/test/fixtures/core-embedflickr.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedflickr {"url":"https://flickr.com/"} -->
-<figure class="wp-block-embedflickr">
-    https://flickr.com/
-    <figcaption>Embedded content from flickr</figcaption>
-</figure>
-<!-- /wp:core/embedflickr -->
-
diff --git a/blocks/test/fixtures/core-embedfunnyordie.html b/blocks/test/fixtures/core-embedfunnyordie.html
deleted file mode 100644
index 237fccc1695d8..0000000000000
--- a/blocks/test/fixtures/core-embedfunnyordie.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedfunnyordie {"url":"https://funnyordie.com/"} -->
-<figure class="wp-block-embedfunnyordie">
-    https://funnyordie.com/
-    <figcaption>Embedded content from funnyordie</figcaption>
-</figure>
-<!-- /wp:core/embedfunnyordie -->
diff --git a/blocks/test/fixtures/core-embedfunnyordie.parsed.json b/blocks/test/fixtures/core-embedfunnyordie.parsed.json
deleted file mode 100644
index e3d487cc5e189..0000000000000
--- a/blocks/test/fixtures/core-embedfunnyordie.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedfunnyordie",
-        "attrs": {
-            "url": "https://funnyordie.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedfunnyordie\">\n    https://funnyordie.com/\n    <figcaption>Embedded content from funnyordie</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedfunnyordie.serialized.html b/blocks/test/fixtures/core-embedfunnyordie.serialized.html
deleted file mode 100644
index cd9c07a0c7085..0000000000000
--- a/blocks/test/fixtures/core-embedfunnyordie.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedfunnyordie {"url":"https://funnyordie.com/"} -->
-<figure class="wp-block-embedfunnyordie">
-    https://funnyordie.com/
-    <figcaption>Embedded content from funnyordie</figcaption>
-</figure>
-<!-- /wp:core/embedfunnyordie -->
-
diff --git a/blocks/test/fixtures/core-embedhulu.html b/blocks/test/fixtures/core-embedhulu.html
deleted file mode 100644
index 7e5b4102f47a2..0000000000000
--- a/blocks/test/fixtures/core-embedhulu.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedhulu {"url":"https://hulu.com/"} -->
-<figure class="wp-block-embedhulu">
-    https://hulu.com/
-    <figcaption>Embedded content from hulu</figcaption>
-</figure>
-<!-- /wp:core/embedhulu -->
diff --git a/blocks/test/fixtures/core-embedhulu.parsed.json b/blocks/test/fixtures/core-embedhulu.parsed.json
deleted file mode 100644
index 77d9a1d429f7a..0000000000000
--- a/blocks/test/fixtures/core-embedhulu.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedhulu",
-        "attrs": {
-            "url": "https://hulu.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedhulu\">\n    https://hulu.com/\n    <figcaption>Embedded content from hulu</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedhulu.serialized.html b/blocks/test/fixtures/core-embedhulu.serialized.html
deleted file mode 100644
index ea740445e6bd3..0000000000000
--- a/blocks/test/fixtures/core-embedhulu.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedhulu {"url":"https://hulu.com/"} -->
-<figure class="wp-block-embedhulu">
-    https://hulu.com/
-    <figcaption>Embedded content from hulu</figcaption>
-</figure>
-<!-- /wp:core/embedhulu -->
-
diff --git a/blocks/test/fixtures/core-embedimgur.html b/blocks/test/fixtures/core-embedimgur.html
deleted file mode 100644
index f3e4aec959bf5..0000000000000
--- a/blocks/test/fixtures/core-embedimgur.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedimgur {"url":"https://imgur.com/"} -->
-<figure class="wp-block-embedimgur">
-    https://imgur.com/
-    <figcaption>Embedded content from imgur</figcaption>
-</figure>
-<!-- /wp:core/embedimgur -->
diff --git a/blocks/test/fixtures/core-embedimgur.parsed.json b/blocks/test/fixtures/core-embedimgur.parsed.json
deleted file mode 100644
index 50a3c2e800971..0000000000000
--- a/blocks/test/fixtures/core-embedimgur.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedimgur",
-        "attrs": {
-            "url": "https://imgur.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedimgur\">\n    https://imgur.com/\n    <figcaption>Embedded content from imgur</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedimgur.serialized.html b/blocks/test/fixtures/core-embedimgur.serialized.html
deleted file mode 100644
index 37bee72a657b6..0000000000000
--- a/blocks/test/fixtures/core-embedimgur.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedimgur {"url":"https://imgur.com/"} -->
-<figure class="wp-block-embedimgur">
-    https://imgur.com/
-    <figcaption>Embedded content from imgur</figcaption>
-</figure>
-<!-- /wp:core/embedimgur -->
-
diff --git a/blocks/test/fixtures/core-embedinstagram.html b/blocks/test/fixtures/core-embedinstagram.html
deleted file mode 100644
index b96e2f40d38e0..0000000000000
--- a/blocks/test/fixtures/core-embedinstagram.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedinstagram {"url":"https://instagram.com/"} -->
-<figure class="wp-block-embedinstagram">
-    https://instagram.com/
-    <figcaption>Embedded content from instagram</figcaption>
-</figure>
-<!-- /wp:core/embedinstagram -->
diff --git a/blocks/test/fixtures/core-embedinstagram.parsed.json b/blocks/test/fixtures/core-embedinstagram.parsed.json
deleted file mode 100644
index b01513853fc61..0000000000000
--- a/blocks/test/fixtures/core-embedinstagram.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedinstagram",
-        "attrs": {
-            "url": "https://instagram.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedinstagram\">\n    https://instagram.com/\n    <figcaption>Embedded content from instagram</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedinstagram.serialized.html b/blocks/test/fixtures/core-embedinstagram.serialized.html
deleted file mode 100644
index d34dd7d437f4b..0000000000000
--- a/blocks/test/fixtures/core-embedinstagram.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedinstagram {"url":"https://instagram.com/"} -->
-<figure class="wp-block-embedinstagram">
-    https://instagram.com/
-    <figcaption>Embedded content from instagram</figcaption>
-</figure>
-<!-- /wp:core/embedinstagram -->
-
diff --git a/blocks/test/fixtures/core-embedissuu.html b/blocks/test/fixtures/core-embedissuu.html
deleted file mode 100644
index 441c64b0014d0..0000000000000
--- a/blocks/test/fixtures/core-embedissuu.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedissuu {"url":"https://issuu.com/"} -->
-<figure class="wp-block-embedissuu">
-    https://issuu.com/
-    <figcaption>Embedded content from issuu</figcaption>
-</figure>
-<!-- /wp:core/embedissuu -->
diff --git a/blocks/test/fixtures/core-embedissuu.parsed.json b/blocks/test/fixtures/core-embedissuu.parsed.json
deleted file mode 100644
index f7bd209d42dd4..0000000000000
--- a/blocks/test/fixtures/core-embedissuu.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedissuu",
-        "attrs": {
-            "url": "https://issuu.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedissuu\">\n    https://issuu.com/\n    <figcaption>Embedded content from issuu</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedissuu.serialized.html b/blocks/test/fixtures/core-embedissuu.serialized.html
deleted file mode 100644
index 73773d9f37d11..0000000000000
--- a/blocks/test/fixtures/core-embedissuu.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedissuu {"url":"https://issuu.com/"} -->
-<figure class="wp-block-embedissuu">
-    https://issuu.com/
-    <figcaption>Embedded content from issuu</figcaption>
-</figure>
-<!-- /wp:core/embedissuu -->
-
diff --git a/blocks/test/fixtures/core-embedkickstarter.html b/blocks/test/fixtures/core-embedkickstarter.html
deleted file mode 100644
index 8022654804aaf..0000000000000
--- a/blocks/test/fixtures/core-embedkickstarter.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedkickstarter {"url":"https://kickstarter.com/"} -->
-<figure class="wp-block-embedkickstarter">
-    https://kickstarter.com/
-    <figcaption>Embedded content from kickstarter</figcaption>
-</figure>
-<!-- /wp:core/embedkickstarter -->
diff --git a/blocks/test/fixtures/core-embedkickstarter.parsed.json b/blocks/test/fixtures/core-embedkickstarter.parsed.json
deleted file mode 100644
index 28b0b92b52064..0000000000000
--- a/blocks/test/fixtures/core-embedkickstarter.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedkickstarter",
-        "attrs": {
-            "url": "https://kickstarter.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedkickstarter\">\n    https://kickstarter.com/\n    <figcaption>Embedded content from kickstarter</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedkickstarter.serialized.html b/blocks/test/fixtures/core-embedkickstarter.serialized.html
deleted file mode 100644
index c4a43eca917ef..0000000000000
--- a/blocks/test/fixtures/core-embedkickstarter.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedkickstarter {"url":"https://kickstarter.com/"} -->
-<figure class="wp-block-embedkickstarter">
-    https://kickstarter.com/
-    <figcaption>Embedded content from kickstarter</figcaption>
-</figure>
-<!-- /wp:core/embedkickstarter -->
-
diff --git a/blocks/test/fixtures/core-embedmeetupcom.html b/blocks/test/fixtures/core-embedmeetupcom.html
deleted file mode 100644
index 5e548aa2fdb1e..0000000000000
--- a/blocks/test/fixtures/core-embedmeetupcom.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedmeetupcom {"url":"https://meetupcom.com/"} -->
-<figure class="wp-block-embedmeetupcom">
-    https://meetupcom.com/
-    <figcaption>Embedded content from meetupcom</figcaption>
-</figure>
-<!-- /wp:core/embedmeetupcom -->
diff --git a/blocks/test/fixtures/core-embedmeetupcom.json b/blocks/test/fixtures/core-embedmeetupcom.json
deleted file mode 100644
index 5fb470dcd8b6d..0000000000000
--- a/blocks/test/fixtures/core-embedmeetupcom.json
+++ /dev/null
@@ -1,12 +0,0 @@
-[
-    {
-        "uid": "_uid_0",
-        "name": "core/embedmeetupcom",
-        "attributes": {
-            "url": "https://meetupcom.com/",
-            "caption": [
-                "Embedded content from meetupcom"
-            ]
-        }
-    }
-]
diff --git a/blocks/test/fixtures/core-embedmeetupcom.parsed.json b/blocks/test/fixtures/core-embedmeetupcom.parsed.json
deleted file mode 100644
index bbb3425390085..0000000000000
--- a/blocks/test/fixtures/core-embedmeetupcom.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedmeetupcom",
-        "attrs": {
-            "url": "https://meetupcom.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedmeetupcom\">\n    https://meetupcom.com/\n    <figcaption>Embedded content from meetupcom</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedmeetupcom.serialized.html b/blocks/test/fixtures/core-embedmeetupcom.serialized.html
deleted file mode 100644
index 386773c04be31..0000000000000
--- a/blocks/test/fixtures/core-embedmeetupcom.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedmeetupcom {"url":"https://meetupcom.com/"} -->
-<figure class="wp-block-embedmeetupcom">
-    https://meetupcom.com/
-    <figcaption>Embedded content from meetupcom</figcaption>
-</figure>
-<!-- /wp:core/embedmeetupcom -->
-
diff --git a/blocks/test/fixtures/core-embedmixcloud.html b/blocks/test/fixtures/core-embedmixcloud.html
deleted file mode 100644
index 011968f5d006f..0000000000000
--- a/blocks/test/fixtures/core-embedmixcloud.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedmixcloud {"url":"https://mixcloud.com/"} -->
-<figure class="wp-block-embedmixcloud">
-    https://mixcloud.com/
-    <figcaption>Embedded content from mixcloud</figcaption>
-</figure>
-<!-- /wp:core/embedmixcloud -->
diff --git a/blocks/test/fixtures/core-embedmixcloud.parsed.json b/blocks/test/fixtures/core-embedmixcloud.parsed.json
deleted file mode 100644
index ad662365ce612..0000000000000
--- a/blocks/test/fixtures/core-embedmixcloud.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedmixcloud",
-        "attrs": {
-            "url": "https://mixcloud.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedmixcloud\">\n    https://mixcloud.com/\n    <figcaption>Embedded content from mixcloud</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedmixcloud.serialized.html b/blocks/test/fixtures/core-embedmixcloud.serialized.html
deleted file mode 100644
index 473f87063c34d..0000000000000
--- a/blocks/test/fixtures/core-embedmixcloud.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedmixcloud {"url":"https://mixcloud.com/"} -->
-<figure class="wp-block-embedmixcloud">
-    https://mixcloud.com/
-    <figcaption>Embedded content from mixcloud</figcaption>
-</figure>
-<!-- /wp:core/embedmixcloud -->
-
diff --git a/blocks/test/fixtures/core-embedphotobucket.html b/blocks/test/fixtures/core-embedphotobucket.html
deleted file mode 100644
index 06073131df800..0000000000000
--- a/blocks/test/fixtures/core-embedphotobucket.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedphotobucket {"url":"https://photobucket.com/"} -->
-<figure class="wp-block-embedphotobucket">
-    https://photobucket.com/
-    <figcaption>Embedded content from photobucket</figcaption>
-</figure>
-<!-- /wp:core/embedphotobucket -->
diff --git a/blocks/test/fixtures/core-embedphotobucket.parsed.json b/blocks/test/fixtures/core-embedphotobucket.parsed.json
deleted file mode 100644
index cebb753a39041..0000000000000
--- a/blocks/test/fixtures/core-embedphotobucket.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedphotobucket",
-        "attrs": {
-            "url": "https://photobucket.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedphotobucket\">\n    https://photobucket.com/\n    <figcaption>Embedded content from photobucket</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedphotobucket.serialized.html b/blocks/test/fixtures/core-embedphotobucket.serialized.html
deleted file mode 100644
index 83952f757c0ac..0000000000000
--- a/blocks/test/fixtures/core-embedphotobucket.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedphotobucket {"url":"https://photobucket.com/"} -->
-<figure class="wp-block-embedphotobucket">
-    https://photobucket.com/
-    <figcaption>Embedded content from photobucket</figcaption>
-</figure>
-<!-- /wp:core/embedphotobucket -->
-
diff --git a/blocks/test/fixtures/core-embedpolldaddy.html b/blocks/test/fixtures/core-embedpolldaddy.html
deleted file mode 100644
index 3eb9d430def1e..0000000000000
--- a/blocks/test/fixtures/core-embedpolldaddy.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedpolldaddy {"url":"https://polldaddy.com/"} -->
-<figure class="wp-block-embedpolldaddy">
-    https://polldaddy.com/
-    <figcaption>Embedded content from polldaddy</figcaption>
-</figure>
-<!-- /wp:core/embedpolldaddy -->
diff --git a/blocks/test/fixtures/core-embedpolldaddy.parsed.json b/blocks/test/fixtures/core-embedpolldaddy.parsed.json
deleted file mode 100644
index c3458df58e2f7..0000000000000
--- a/blocks/test/fixtures/core-embedpolldaddy.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedpolldaddy",
-        "attrs": {
-            "url": "https://polldaddy.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedpolldaddy\">\n    https://polldaddy.com/\n    <figcaption>Embedded content from polldaddy</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedpolldaddy.serialized.html b/blocks/test/fixtures/core-embedpolldaddy.serialized.html
deleted file mode 100644
index 247a11d38b7bf..0000000000000
--- a/blocks/test/fixtures/core-embedpolldaddy.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedpolldaddy {"url":"https://polldaddy.com/"} -->
-<figure class="wp-block-embedpolldaddy">
-    https://polldaddy.com/
-    <figcaption>Embedded content from polldaddy</figcaption>
-</figure>
-<!-- /wp:core/embedpolldaddy -->
-
diff --git a/blocks/test/fixtures/core-embedreddit.html b/blocks/test/fixtures/core-embedreddit.html
deleted file mode 100644
index c695b466068b3..0000000000000
--- a/blocks/test/fixtures/core-embedreddit.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedreddit {"url":"https://reddit.com/"} -->
-<figure class="wp-block-embedreddit">
-    https://reddit.com/
-    <figcaption>Embedded content from reddit</figcaption>
-</figure>
-<!-- /wp:core/embedreddit -->
diff --git a/blocks/test/fixtures/core-embedreddit.parsed.json b/blocks/test/fixtures/core-embedreddit.parsed.json
deleted file mode 100644
index 52ea635e03ee3..0000000000000
--- a/blocks/test/fixtures/core-embedreddit.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedreddit",
-        "attrs": {
-            "url": "https://reddit.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedreddit\">\n    https://reddit.com/\n    <figcaption>Embedded content from reddit</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedreddit.serialized.html b/blocks/test/fixtures/core-embedreddit.serialized.html
deleted file mode 100644
index e2b7afab51cde..0000000000000
--- a/blocks/test/fixtures/core-embedreddit.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedreddit {"url":"https://reddit.com/"} -->
-<figure class="wp-block-embedreddit">
-    https://reddit.com/
-    <figcaption>Embedded content from reddit</figcaption>
-</figure>
-<!-- /wp:core/embedreddit -->
-
diff --git a/blocks/test/fixtures/core-embedreverbnation.html b/blocks/test/fixtures/core-embedreverbnation.html
deleted file mode 100644
index 8b6449c962570..0000000000000
--- a/blocks/test/fixtures/core-embedreverbnation.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedreverbnation {"url":"https://reverbnation.com/"} -->
-<figure class="wp-block-embedreverbnation">
-    https://reverbnation.com/
-    <figcaption>Embedded content from reverbnation</figcaption>
-</figure>
-<!-- /wp:core/embedreverbnation -->
diff --git a/blocks/test/fixtures/core-embedreverbnation.parsed.json b/blocks/test/fixtures/core-embedreverbnation.parsed.json
deleted file mode 100644
index 76fad52e4d8f3..0000000000000
--- a/blocks/test/fixtures/core-embedreverbnation.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedreverbnation",
-        "attrs": {
-            "url": "https://reverbnation.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedreverbnation\">\n    https://reverbnation.com/\n    <figcaption>Embedded content from reverbnation</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedreverbnation.serialized.html b/blocks/test/fixtures/core-embedreverbnation.serialized.html
deleted file mode 100644
index 665ba853c3663..0000000000000
--- a/blocks/test/fixtures/core-embedreverbnation.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedreverbnation {"url":"https://reverbnation.com/"} -->
-<figure class="wp-block-embedreverbnation">
-    https://reverbnation.com/
-    <figcaption>Embedded content from reverbnation</figcaption>
-</figure>
-<!-- /wp:core/embedreverbnation -->
-
diff --git a/blocks/test/fixtures/core-embedscreencast.html b/blocks/test/fixtures/core-embedscreencast.html
deleted file mode 100644
index db2c60cbf38d3..0000000000000
--- a/blocks/test/fixtures/core-embedscreencast.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedscreencast {"url":"https://screencast.com/"} -->
-<figure class="wp-block-embedscreencast">
-    https://screencast.com/
-    <figcaption>Embedded content from screencast</figcaption>
-</figure>
-<!-- /wp:core/embedscreencast -->
diff --git a/blocks/test/fixtures/core-embedscreencast.parsed.json b/blocks/test/fixtures/core-embedscreencast.parsed.json
deleted file mode 100644
index 51369759381f6..0000000000000
--- a/blocks/test/fixtures/core-embedscreencast.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedscreencast",
-        "attrs": {
-            "url": "https://screencast.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedscreencast\">\n    https://screencast.com/\n    <figcaption>Embedded content from screencast</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedscreencast.serialized.html b/blocks/test/fixtures/core-embedscreencast.serialized.html
deleted file mode 100644
index 85874f3e4249d..0000000000000
--- a/blocks/test/fixtures/core-embedscreencast.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedscreencast {"url":"https://screencast.com/"} -->
-<figure class="wp-block-embedscreencast">
-    https://screencast.com/
-    <figcaption>Embedded content from screencast</figcaption>
-</figure>
-<!-- /wp:core/embedscreencast -->
-
diff --git a/blocks/test/fixtures/core-embedscribd.html b/blocks/test/fixtures/core-embedscribd.html
deleted file mode 100644
index bb489bbac4ebd..0000000000000
--- a/blocks/test/fixtures/core-embedscribd.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedscribd {"url":"https://scribd.com/"} -->
-<figure class="wp-block-embedscribd">
-    https://scribd.com/
-    <figcaption>Embedded content from scribd</figcaption>
-</figure>
-<!-- /wp:core/embedscribd -->
diff --git a/blocks/test/fixtures/core-embedscribd.parsed.json b/blocks/test/fixtures/core-embedscribd.parsed.json
deleted file mode 100644
index 320c2c7e503e2..0000000000000
--- a/blocks/test/fixtures/core-embedscribd.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedscribd",
-        "attrs": {
-            "url": "https://scribd.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedscribd\">\n    https://scribd.com/\n    <figcaption>Embedded content from scribd</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedscribd.serialized.html b/blocks/test/fixtures/core-embedscribd.serialized.html
deleted file mode 100644
index 70b03f30976aa..0000000000000
--- a/blocks/test/fixtures/core-embedscribd.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedscribd {"url":"https://scribd.com/"} -->
-<figure class="wp-block-embedscribd">
-    https://scribd.com/
-    <figcaption>Embedded content from scribd</figcaption>
-</figure>
-<!-- /wp:core/embedscribd -->
-
diff --git a/blocks/test/fixtures/core-embedslideshare.html b/blocks/test/fixtures/core-embedslideshare.html
deleted file mode 100644
index 052867067f159..0000000000000
--- a/blocks/test/fixtures/core-embedslideshare.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedslideshare {"url":"https://slideshare.com/"} -->
-<figure class="wp-block-embedslideshare">
-    https://slideshare.com/
-    <figcaption>Embedded content from slideshare</figcaption>
-</figure>
-<!-- /wp:core/embedslideshare -->
diff --git a/blocks/test/fixtures/core-embedslideshare.parsed.json b/blocks/test/fixtures/core-embedslideshare.parsed.json
deleted file mode 100644
index ce0bce0a3f958..0000000000000
--- a/blocks/test/fixtures/core-embedslideshare.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedslideshare",
-        "attrs": {
-            "url": "https://slideshare.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedslideshare\">\n    https://slideshare.com/\n    <figcaption>Embedded content from slideshare</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedslideshare.serialized.html b/blocks/test/fixtures/core-embedslideshare.serialized.html
deleted file mode 100644
index 75345b2aff91f..0000000000000
--- a/blocks/test/fixtures/core-embedslideshare.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedslideshare {"url":"https://slideshare.com/"} -->
-<figure class="wp-block-embedslideshare">
-    https://slideshare.com/
-    <figcaption>Embedded content from slideshare</figcaption>
-</figure>
-<!-- /wp:core/embedslideshare -->
-
diff --git a/blocks/test/fixtures/core-embedsmugmug.html b/blocks/test/fixtures/core-embedsmugmug.html
deleted file mode 100644
index ee827f8df7e69..0000000000000
--- a/blocks/test/fixtures/core-embedsmugmug.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedsmugmug {"url":"https://smugmug.com/"} -->
-<figure class="wp-block-embedsmugmug">
-    https://smugmug.com/
-    <figcaption>Embedded content from smugmug</figcaption>
-</figure>
-<!-- /wp:core/embedsmugmug -->
diff --git a/blocks/test/fixtures/core-embedsmugmug.parsed.json b/blocks/test/fixtures/core-embedsmugmug.parsed.json
deleted file mode 100644
index 21cac8cb4fe0a..0000000000000
--- a/blocks/test/fixtures/core-embedsmugmug.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedsmugmug",
-        "attrs": {
-            "url": "https://smugmug.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedsmugmug\">\n    https://smugmug.com/\n    <figcaption>Embedded content from smugmug</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedsmugmug.serialized.html b/blocks/test/fixtures/core-embedsmugmug.serialized.html
deleted file mode 100644
index 81d6ca50015ee..0000000000000
--- a/blocks/test/fixtures/core-embedsmugmug.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedsmugmug {"url":"https://smugmug.com/"} -->
-<figure class="wp-block-embedsmugmug">
-    https://smugmug.com/
-    <figcaption>Embedded content from smugmug</figcaption>
-</figure>
-<!-- /wp:core/embedsmugmug -->
-
diff --git a/blocks/test/fixtures/core-embedsoundcloud.html b/blocks/test/fixtures/core-embedsoundcloud.html
deleted file mode 100644
index df7792c403234..0000000000000
--- a/blocks/test/fixtures/core-embedsoundcloud.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedsoundcloud {"url":"https://soundcloud.com/"} -->
-<figure class="wp-block-embedsoundcloud">
-    https://soundcloud.com/
-    <figcaption>Embedded content from soundcloud</figcaption>
-</figure>
-<!-- /wp:core/embedsoundcloud -->
diff --git a/blocks/test/fixtures/core-embedsoundcloud.parsed.json b/blocks/test/fixtures/core-embedsoundcloud.parsed.json
deleted file mode 100644
index db37defc1515b..0000000000000
--- a/blocks/test/fixtures/core-embedsoundcloud.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedsoundcloud",
-        "attrs": {
-            "url": "https://soundcloud.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedsoundcloud\">\n    https://soundcloud.com/\n    <figcaption>Embedded content from soundcloud</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedsoundcloud.serialized.html b/blocks/test/fixtures/core-embedsoundcloud.serialized.html
deleted file mode 100644
index 66bbedfc03472..0000000000000
--- a/blocks/test/fixtures/core-embedsoundcloud.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedsoundcloud {"url":"https://soundcloud.com/"} -->
-<figure class="wp-block-embedsoundcloud">
-    https://soundcloud.com/
-    <figcaption>Embedded content from soundcloud</figcaption>
-</figure>
-<!-- /wp:core/embedsoundcloud -->
-
diff --git a/blocks/test/fixtures/core-embedspeaker.html b/blocks/test/fixtures/core-embedspeaker.html
deleted file mode 100644
index c15466c82c68f..0000000000000
--- a/blocks/test/fixtures/core-embedspeaker.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedspeaker {"url":"https://speaker.com/"} -->
-<figure class="wp-block-embedspeaker">
-    https://speaker.com/
-    <figcaption>Embedded content from speaker</figcaption>
-</figure>
-<!-- /wp:core/embedspeaker -->
diff --git a/blocks/test/fixtures/core-embedspeaker.parsed.json b/blocks/test/fixtures/core-embedspeaker.parsed.json
deleted file mode 100644
index c13de136b978d..0000000000000
--- a/blocks/test/fixtures/core-embedspeaker.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedspeaker",
-        "attrs": {
-            "url": "https://speaker.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedspeaker\">\n    https://speaker.com/\n    <figcaption>Embedded content from speaker</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedspeaker.serialized.html b/blocks/test/fixtures/core-embedspeaker.serialized.html
deleted file mode 100644
index a32e631e7ed8b..0000000000000
--- a/blocks/test/fixtures/core-embedspeaker.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedspeaker {"url":"https://speaker.com/"} -->
-<figure class="wp-block-embedspeaker">
-    https://speaker.com/
-    <figcaption>Embedded content from speaker</figcaption>
-</figure>
-<!-- /wp:core/embedspeaker -->
-
diff --git a/blocks/test/fixtures/core-embedspotify.html b/blocks/test/fixtures/core-embedspotify.html
deleted file mode 100644
index db003220c9fd7..0000000000000
--- a/blocks/test/fixtures/core-embedspotify.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedspotify {"url":"https://spotify.com/"} -->
-<figure class="wp-block-embedspotify">
-    https://spotify.com/
-    <figcaption>Embedded content from spotify</figcaption>
-</figure>
-<!-- /wp:core/embedspotify -->
diff --git a/blocks/test/fixtures/core-embedspotify.parsed.json b/blocks/test/fixtures/core-embedspotify.parsed.json
deleted file mode 100644
index 36bf2b6053d08..0000000000000
--- a/blocks/test/fixtures/core-embedspotify.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedspotify",
-        "attrs": {
-            "url": "https://spotify.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedspotify\">\n    https://spotify.com/\n    <figcaption>Embedded content from spotify</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedspotify.serialized.html b/blocks/test/fixtures/core-embedspotify.serialized.html
deleted file mode 100644
index 204b3282e6e46..0000000000000
--- a/blocks/test/fixtures/core-embedspotify.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedspotify {"url":"https://spotify.com/"} -->
-<figure class="wp-block-embedspotify">
-    https://spotify.com/
-    <figcaption>Embedded content from spotify</figcaption>
-</figure>
-<!-- /wp:core/embedspotify -->
-
diff --git a/blocks/test/fixtures/core-embedted.html b/blocks/test/fixtures/core-embedted.html
deleted file mode 100644
index 177c0acb2218e..0000000000000
--- a/blocks/test/fixtures/core-embedted.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedted {"url":"https://ted.com/"} -->
-<figure class="wp-block-embedted">
-    https://ted.com/
-    <figcaption>Embedded content from ted</figcaption>
-</figure>
-<!-- /wp:core/embedted -->
diff --git a/blocks/test/fixtures/core-embedted.parsed.json b/blocks/test/fixtures/core-embedted.parsed.json
deleted file mode 100644
index 17900eb25b1fc..0000000000000
--- a/blocks/test/fixtures/core-embedted.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedted",
-        "attrs": {
-            "url": "https://ted.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedted\">\n    https://ted.com/\n    <figcaption>Embedded content from ted</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedted.serialized.html b/blocks/test/fixtures/core-embedted.serialized.html
deleted file mode 100644
index a452735ab3c55..0000000000000
--- a/blocks/test/fixtures/core-embedted.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedted {"url":"https://ted.com/"} -->
-<figure class="wp-block-embedted">
-    https://ted.com/
-    <figcaption>Embedded content from ted</figcaption>
-</figure>
-<!-- /wp:core/embedted -->
-
diff --git a/blocks/test/fixtures/core-embedtumblr.html b/blocks/test/fixtures/core-embedtumblr.html
deleted file mode 100644
index 46efd955b80d6..0000000000000
--- a/blocks/test/fixtures/core-embedtumblr.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedtumblr {"url":"https://tumblr.com/"} -->
-<figure class="wp-block-embedtumblr">
-    https://tumblr.com/
-    <figcaption>Embedded content from tumblr</figcaption>
-</figure>
-<!-- /wp:core/embedtumblr -->
diff --git a/blocks/test/fixtures/core-embedtumblr.parsed.json b/blocks/test/fixtures/core-embedtumblr.parsed.json
deleted file mode 100644
index 3bf297e741fa6..0000000000000
--- a/blocks/test/fixtures/core-embedtumblr.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedtumblr",
-        "attrs": {
-            "url": "https://tumblr.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedtumblr\">\n    https://tumblr.com/\n    <figcaption>Embedded content from tumblr</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedtumblr.serialized.html b/blocks/test/fixtures/core-embedtumblr.serialized.html
deleted file mode 100644
index 6ecae0d560186..0000000000000
--- a/blocks/test/fixtures/core-embedtumblr.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedtumblr {"url":"https://tumblr.com/"} -->
-<figure class="wp-block-embedtumblr">
-    https://tumblr.com/
-    <figcaption>Embedded content from tumblr</figcaption>
-</figure>
-<!-- /wp:core/embedtumblr -->
-
diff --git a/blocks/test/fixtures/core-embedtwitter.html b/blocks/test/fixtures/core-embedtwitter.html
deleted file mode 100644
index 0a4c534dfdd20..0000000000000
--- a/blocks/test/fixtures/core-embedtwitter.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedtwitter {"url":"https://twitter.com/automattic"} -->
-<figure class="wp-block-embedtwitter">
-    https://twitter.com/automattic
-    <figcaption>We are Automattic</figcaption>
-</figure>
-<!-- /wp:core/embedtwitter -->
diff --git a/blocks/test/fixtures/core-embedtwitter.parsed.json b/blocks/test/fixtures/core-embedtwitter.parsed.json
deleted file mode 100644
index 0efad073a2118..0000000000000
--- a/blocks/test/fixtures/core-embedtwitter.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedtwitter",
-        "attrs": {
-            "url": "https://twitter.com/automattic"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedtwitter\">\n    https://twitter.com/automattic\n    <figcaption>We are Automattic</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedtwitter.serialized.html b/blocks/test/fixtures/core-embedtwitter.serialized.html
deleted file mode 100644
index 0098e1b73e3cc..0000000000000
--- a/blocks/test/fixtures/core-embedtwitter.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedtwitter {"url":"https://twitter.com/automattic"} -->
-<figure class="wp-block-embedtwitter">
-    https://twitter.com/automattic
-    <figcaption>We are Automattic</figcaption>
-</figure>
-<!-- /wp:core/embedtwitter -->
-
diff --git a/blocks/test/fixtures/core-embedvideopress.html b/blocks/test/fixtures/core-embedvideopress.html
deleted file mode 100644
index 039db729a41cf..0000000000000
--- a/blocks/test/fixtures/core-embedvideopress.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedvideopress {"url":"https://videopress.com/"} -->
-<figure class="wp-block-embedvideopress">
-    https://videopress.com/
-    <figcaption>Embedded content from videopress</figcaption>
-</figure>
-<!-- /wp:core/embedvideopress -->
diff --git a/blocks/test/fixtures/core-embedvideopress.parsed.json b/blocks/test/fixtures/core-embedvideopress.parsed.json
deleted file mode 100644
index 4a4415cd827c4..0000000000000
--- a/blocks/test/fixtures/core-embedvideopress.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedvideopress",
-        "attrs": {
-            "url": "https://videopress.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedvideopress\">\n    https://videopress.com/\n    <figcaption>Embedded content from videopress</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedvideopress.serialized.html b/blocks/test/fixtures/core-embedvideopress.serialized.html
deleted file mode 100644
index 361af03b490b2..0000000000000
--- a/blocks/test/fixtures/core-embedvideopress.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedvideopress {"url":"https://videopress.com/"} -->
-<figure class="wp-block-embedvideopress">
-    https://videopress.com/
-    <figcaption>Embedded content from videopress</figcaption>
-</figure>
-<!-- /wp:core/embedvideopress -->
-
diff --git a/blocks/test/fixtures/core-embedvimeo.html b/blocks/test/fixtures/core-embedvimeo.html
deleted file mode 100644
index 687468c1d4c11..0000000000000
--- a/blocks/test/fixtures/core-embedvimeo.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedvimeo {"url":"https://vimeo.com/"} -->
-<figure class="wp-block-embedvimeo">
-    https://vimeo.com/
-    <figcaption>Embedded content from vimeo</figcaption>
-</figure>
-<!-- /wp:core/embedvimeo -->
diff --git a/blocks/test/fixtures/core-embedvimeo.parsed.json b/blocks/test/fixtures/core-embedvimeo.parsed.json
deleted file mode 100644
index 03ce8fe094889..0000000000000
--- a/blocks/test/fixtures/core-embedvimeo.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedvimeo",
-        "attrs": {
-            "url": "https://vimeo.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedvimeo\">\n    https://vimeo.com/\n    <figcaption>Embedded content from vimeo</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedvimeo.serialized.html b/blocks/test/fixtures/core-embedvimeo.serialized.html
deleted file mode 100644
index f8b9bc9cc66a1..0000000000000
--- a/blocks/test/fixtures/core-embedvimeo.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedvimeo {"url":"https://vimeo.com/"} -->
-<figure class="wp-block-embedvimeo">
-    https://vimeo.com/
-    <figcaption>Embedded content from vimeo</figcaption>
-</figure>
-<!-- /wp:core/embedvimeo -->
-
diff --git a/blocks/test/fixtures/core-embedvine.html b/blocks/test/fixtures/core-embedvine.html
deleted file mode 100644
index 59d20024e685f..0000000000000
--- a/blocks/test/fixtures/core-embedvine.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedvine {"url":"https://vine.com/"} -->
-<figure class="wp-block-embedvine">
-    https://vine.com/
-    <figcaption>Embedded content from vine</figcaption>
-</figure>
-<!-- /wp:core/embedvine -->
diff --git a/blocks/test/fixtures/core-embedvine.parsed.json b/blocks/test/fixtures/core-embedvine.parsed.json
deleted file mode 100644
index fdc9ce13c8f6d..0000000000000
--- a/blocks/test/fixtures/core-embedvine.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedvine",
-        "attrs": {
-            "url": "https://vine.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedvine\">\n    https://vine.com/\n    <figcaption>Embedded content from vine</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedvine.serialized.html b/blocks/test/fixtures/core-embedvine.serialized.html
deleted file mode 100644
index e7ce7573bf859..0000000000000
--- a/blocks/test/fixtures/core-embedvine.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedvine {"url":"https://vine.com/"} -->
-<figure class="wp-block-embedvine">
-    https://vine.com/
-    <figcaption>Embedded content from vine</figcaption>
-</figure>
-<!-- /wp:core/embedvine -->
-
diff --git a/blocks/test/fixtures/core-embedwordpress.html b/blocks/test/fixtures/core-embedwordpress.html
deleted file mode 100644
index 88e9adefb9b5e..0000000000000
--- a/blocks/test/fixtures/core-embedwordpress.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedwordpress {"url":"https://wordpress.com/"} -->
-<figure class="wp-block-embedwordpress">
-    https://wordpress.com/
-    <figcaption>Embedded content from WordPress</figcaption>
-</figure>
-<!-- /wp:core/embedwordpress -->
diff --git a/blocks/test/fixtures/core-embedwordpress.parsed.json b/blocks/test/fixtures/core-embedwordpress.parsed.json
deleted file mode 100644
index 8db36fb91bc1f..0000000000000
--- a/blocks/test/fixtures/core-embedwordpress.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedwordpress",
-        "attrs": {
-            "url": "https://wordpress.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedwordpress\">\n    https://wordpress.com/\n    <figcaption>Embedded content from WordPress</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedwordpress.serialized.html b/blocks/test/fixtures/core-embedwordpress.serialized.html
deleted file mode 100644
index 167541caa4c97..0000000000000
--- a/blocks/test/fixtures/core-embedwordpress.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedwordpress {"url":"https://wordpress.com/"} -->
-<figure class="wp-block-embedwordpress">
-    https://wordpress.com/
-    <figcaption>Embedded content from WordPress</figcaption>
-</figure>
-<!-- /wp:core/embedwordpress -->
-
diff --git a/blocks/test/fixtures/core-embedwordpresstv.html b/blocks/test/fixtures/core-embedwordpresstv.html
deleted file mode 100644
index 631e0cda5187c..0000000000000
--- a/blocks/test/fixtures/core-embedwordpresstv.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedwordpresstv {"url":"https://wordpresstv.com/"} -->
-<figure class="wp-block-embedwordpresstv">
-    https://wordpresstv.com/
-    <figcaption>Embedded content from wordpresstv</figcaption>
-</figure>
-<!-- /wp:core/embedwordpresstv -->
diff --git a/blocks/test/fixtures/core-embedwordpresstv.json b/blocks/test/fixtures/core-embedwordpresstv.json
deleted file mode 100644
index 43e137a66bdeb..0000000000000
--- a/blocks/test/fixtures/core-embedwordpresstv.json
+++ /dev/null
@@ -1,12 +0,0 @@
-[
-    {
-        "uid": "_uid_0",
-        "name": "core/embedwordpresstv",
-        "attributes": {
-            "url": "https://wordpresstv.com/",
-            "caption": [
-                "Embedded content from wordpresstv"
-            ]
-        }
-    }
-]
diff --git a/blocks/test/fixtures/core-embedwordpresstv.parsed.json b/blocks/test/fixtures/core-embedwordpresstv.parsed.json
deleted file mode 100644
index 44b786c2feae7..0000000000000
--- a/blocks/test/fixtures/core-embedwordpresstv.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedwordpresstv",
-        "attrs": {
-            "url": "https://wordpresstv.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedwordpresstv\">\n    https://wordpresstv.com/\n    <figcaption>Embedded content from wordpresstv</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedwordpresstv.serialized.html b/blocks/test/fixtures/core-embedwordpresstv.serialized.html
deleted file mode 100644
index c66c564684eb5..0000000000000
--- a/blocks/test/fixtures/core-embedwordpresstv.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedwordpresstv {"url":"https://wordpresstv.com/"} -->
-<figure class="wp-block-embedwordpresstv">
-    https://wordpresstv.com/
-    <figcaption>Embedded content from wordpresstv</figcaption>
-</figure>
-<!-- /wp:core/embedwordpresstv -->
-
diff --git a/blocks/test/fixtures/core-embedyoutube.html b/blocks/test/fixtures/core-embedyoutube.html
deleted file mode 100644
index 4f7bb7872e151..0000000000000
--- a/blocks/test/fixtures/core-embedyoutube.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<!-- wp:core/embedyoutube {"url":"https://youtube.com/"} -->
-<figure class="wp-block-embedyoutube">
-    https://youtube.com/
-    <figcaption>Embedded content from youtube</figcaption>
-</figure>
-<!-- /wp:core/embedyoutube -->
diff --git a/blocks/test/fixtures/core-embedyoutube.parsed.json b/blocks/test/fixtures/core-embedyoutube.parsed.json
deleted file mode 100644
index 7a4e757510222..0000000000000
--- a/blocks/test/fixtures/core-embedyoutube.parsed.json
+++ /dev/null
@@ -1,13 +0,0 @@
-[
-    {
-        "blockName": "core/embedyoutube",
-        "attrs": {
-            "url": "https://youtube.com/"
-        },
-        "rawContent": "\n<figure class=\"wp-block-embedyoutube\">\n    https://youtube.com/\n    <figcaption>Embedded content from youtube</figcaption>\n</figure>\n"
-    },
-    {
-        "attrs": {},
-        "rawContent": "\n"
-    }
-]
diff --git a/blocks/test/fixtures/core-embedyoutube.serialized.html b/blocks/test/fixtures/core-embedyoutube.serialized.html
deleted file mode 100644
index f17d51bd132b2..0000000000000
--- a/blocks/test/fixtures/core-embedyoutube.serialized.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!-- wp:core/embedyoutube {"url":"https://youtube.com/"} -->
-<figure class="wp-block-embedyoutube">
-    https://youtube.com/
-    <figcaption>Embedded content from youtube</figcaption>
-</figure>
-<!-- /wp:core/embedyoutube -->
-
diff --git a/blocks/test/fixtures/core-latestposts.html b/blocks/test/fixtures/core-latestposts.html
deleted file mode 100644
index 44972fd76efc7..0000000000000
--- a/blocks/test/fixtures/core-latestposts.html
+++ /dev/null
@@ -1 +0,0 @@
-<!-- wp:core/latestposts {"poststoshow":5,"displayPostDate":false} /-->
diff --git a/blocks/test/fixtures/core-latestposts.serialized.html b/blocks/test/fixtures/core-latestposts.serialized.html
deleted file mode 100644
index 44972fd76efc7..0000000000000
--- a/blocks/test/fixtures/core-latestposts.serialized.html
+++ /dev/null
@@ -1 +0,0 @@
-<!-- wp:core/latestposts {"poststoshow":5,"displayPostDate":false} /-->
diff --git a/blocks/test/fixtures/core-button-center.html b/blocks/test/fixtures/core__button__center.html
similarity index 100%
rename from blocks/test/fixtures/core-button-center.html
rename to blocks/test/fixtures/core__button__center.html
diff --git a/blocks/test/fixtures/core-button-center.json b/blocks/test/fixtures/core__button__center.json
similarity index 100%
rename from blocks/test/fixtures/core-button-center.json
rename to blocks/test/fixtures/core__button__center.json
diff --git a/blocks/test/fixtures/core-button-center.parsed.json b/blocks/test/fixtures/core__button__center.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-button-center.parsed.json
rename to blocks/test/fixtures/core__button__center.parsed.json
diff --git a/blocks/test/fixtures/core-button-center.serialized.html b/blocks/test/fixtures/core__button__center.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-button-center.serialized.html
rename to blocks/test/fixtures/core__button__center.serialized.html
diff --git a/blocks/test/fixtures/core-code.html b/blocks/test/fixtures/core__code.html
similarity index 100%
rename from blocks/test/fixtures/core-code.html
rename to blocks/test/fixtures/core__code.html
diff --git a/blocks/test/fixtures/core-code.json b/blocks/test/fixtures/core__code.json
similarity index 100%
rename from blocks/test/fixtures/core-code.json
rename to blocks/test/fixtures/core__code.json
diff --git a/blocks/test/fixtures/core-code.parsed.json b/blocks/test/fixtures/core__code.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-code.parsed.json
rename to blocks/test/fixtures/core__code.parsed.json
diff --git a/blocks/test/fixtures/core-code.serialized.html b/blocks/test/fixtures/core__code.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-code.serialized.html
rename to blocks/test/fixtures/core__code.serialized.html
diff --git a/blocks/test/fixtures/core-cover-image.html b/blocks/test/fixtures/core__cover-image.html
similarity index 100%
rename from blocks/test/fixtures/core-cover-image.html
rename to blocks/test/fixtures/core__cover-image.html
diff --git a/blocks/test/fixtures/core-cover-image.json b/blocks/test/fixtures/core__cover-image.json
similarity index 100%
rename from blocks/test/fixtures/core-cover-image.json
rename to blocks/test/fixtures/core__cover-image.json
diff --git a/blocks/test/fixtures/core-cover-image.parsed.json b/blocks/test/fixtures/core__cover-image.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-cover-image.parsed.json
rename to blocks/test/fixtures/core__cover-image.parsed.json
diff --git a/blocks/test/fixtures/core-cover-image.serialized.html b/blocks/test/fixtures/core__cover-image.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-cover-image.serialized.html
rename to blocks/test/fixtures/core__cover-image.serialized.html
diff --git a/blocks/test/fixtures/core-embed.html b/blocks/test/fixtures/core__embed.html
similarity index 100%
rename from blocks/test/fixtures/core-embed.html
rename to blocks/test/fixtures/core__embed.html
diff --git a/blocks/test/fixtures/core-embed.json b/blocks/test/fixtures/core__embed.json
similarity index 100%
rename from blocks/test/fixtures/core-embed.json
rename to blocks/test/fixtures/core__embed.json
diff --git a/blocks/test/fixtures/core-embed.parsed.json b/blocks/test/fixtures/core__embed.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-embed.parsed.json
rename to blocks/test/fixtures/core__embed.parsed.json
diff --git a/blocks/test/fixtures/core-embed.serialized.html b/blocks/test/fixtures/core__embed.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-embed.serialized.html
rename to blocks/test/fixtures/core__embed.serialized.html
diff --git a/blocks/test/fixtures/core-freeform.html b/blocks/test/fixtures/core__freeform.html
similarity index 100%
rename from blocks/test/fixtures/core-freeform.html
rename to blocks/test/fixtures/core__freeform.html
diff --git a/blocks/test/fixtures/core-freeform.json b/blocks/test/fixtures/core__freeform.json
similarity index 100%
rename from blocks/test/fixtures/core-freeform.json
rename to blocks/test/fixtures/core__freeform.json
diff --git a/blocks/test/fixtures/core-freeform.parsed.json b/blocks/test/fixtures/core__freeform.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-freeform.parsed.json
rename to blocks/test/fixtures/core__freeform.parsed.json
diff --git a/blocks/test/fixtures/core-freeform.serialized.html b/blocks/test/fixtures/core__freeform.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-freeform.serialized.html
rename to blocks/test/fixtures/core__freeform.serialized.html
diff --git a/blocks/test/fixtures/core-gallery.html b/blocks/test/fixtures/core__gallery.html
similarity index 100%
rename from blocks/test/fixtures/core-gallery.html
rename to blocks/test/fixtures/core__gallery.html
diff --git a/blocks/test/fixtures/core-gallery.json b/blocks/test/fixtures/core__gallery.json
similarity index 100%
rename from blocks/test/fixtures/core-gallery.json
rename to blocks/test/fixtures/core__gallery.json
diff --git a/blocks/test/fixtures/core-gallery.parsed.json b/blocks/test/fixtures/core__gallery.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-gallery.parsed.json
rename to blocks/test/fixtures/core__gallery.parsed.json
diff --git a/blocks/test/fixtures/core-gallery.serialized.html b/blocks/test/fixtures/core__gallery.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-gallery.serialized.html
rename to blocks/test/fixtures/core__gallery.serialized.html
diff --git a/blocks/test/fixtures/core-heading-h2-em.html b/blocks/test/fixtures/core__heading__h2-em.html
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2-em.html
rename to blocks/test/fixtures/core__heading__h2-em.html
diff --git a/blocks/test/fixtures/core-heading-h2-em.json b/blocks/test/fixtures/core__heading__h2-em.json
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2-em.json
rename to blocks/test/fixtures/core__heading__h2-em.json
diff --git a/blocks/test/fixtures/core-heading-h2-em.parsed.json b/blocks/test/fixtures/core__heading__h2-em.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2-em.parsed.json
rename to blocks/test/fixtures/core__heading__h2-em.parsed.json
diff --git a/blocks/test/fixtures/core-heading-h2-em.serialized.html b/blocks/test/fixtures/core__heading__h2-em.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2-em.serialized.html
rename to blocks/test/fixtures/core__heading__h2-em.serialized.html
diff --git a/blocks/test/fixtures/core-heading-h2.html b/blocks/test/fixtures/core__heading__h2.html
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2.html
rename to blocks/test/fixtures/core__heading__h2.html
diff --git a/blocks/test/fixtures/core-heading-h2.json b/blocks/test/fixtures/core__heading__h2.json
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2.json
rename to blocks/test/fixtures/core__heading__h2.json
diff --git a/blocks/test/fixtures/core-heading-h2.parsed.json b/blocks/test/fixtures/core__heading__h2.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2.parsed.json
rename to blocks/test/fixtures/core__heading__h2.parsed.json
diff --git a/blocks/test/fixtures/core-heading-h2.serialized.html b/blocks/test/fixtures/core__heading__h2.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-heading-h2.serialized.html
rename to blocks/test/fixtures/core__heading__h2.serialized.html
diff --git a/blocks/test/fixtures/core-html.html b/blocks/test/fixtures/core__html.html
similarity index 100%
rename from blocks/test/fixtures/core-html.html
rename to blocks/test/fixtures/core__html.html
diff --git a/blocks/test/fixtures/core-html.json b/blocks/test/fixtures/core__html.json
similarity index 100%
rename from blocks/test/fixtures/core-html.json
rename to blocks/test/fixtures/core__html.json
diff --git a/blocks/test/fixtures/core-html.parsed.json b/blocks/test/fixtures/core__html.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-html.parsed.json
rename to blocks/test/fixtures/core__html.parsed.json
diff --git a/blocks/test/fixtures/core-html.serialized.html b/blocks/test/fixtures/core__html.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-html.serialized.html
rename to blocks/test/fixtures/core__html.serialized.html
diff --git a/blocks/test/fixtures/core-image.html b/blocks/test/fixtures/core__image.html
similarity index 100%
rename from blocks/test/fixtures/core-image.html
rename to blocks/test/fixtures/core__image.html
diff --git a/blocks/test/fixtures/core-image.json b/blocks/test/fixtures/core__image.json
similarity index 100%
rename from blocks/test/fixtures/core-image.json
rename to blocks/test/fixtures/core__image.json
diff --git a/blocks/test/fixtures/core-image.parsed.json b/blocks/test/fixtures/core__image.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-image.parsed.json
rename to blocks/test/fixtures/core__image.parsed.json
diff --git a/blocks/test/fixtures/core-image.serialized.html b/blocks/test/fixtures/core__image.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-image.serialized.html
rename to blocks/test/fixtures/core__image.serialized.html
diff --git a/blocks/test/fixtures/core-image-center-caption.html b/blocks/test/fixtures/core__image__center-caption.html
similarity index 100%
rename from blocks/test/fixtures/core-image-center-caption.html
rename to blocks/test/fixtures/core__image__center-caption.html
diff --git a/blocks/test/fixtures/core-image-center-caption.json b/blocks/test/fixtures/core__image__center-caption.json
similarity index 100%
rename from blocks/test/fixtures/core-image-center-caption.json
rename to blocks/test/fixtures/core__image__center-caption.json
diff --git a/blocks/test/fixtures/core-image-center-caption.parsed.json b/blocks/test/fixtures/core__image__center-caption.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-image-center-caption.parsed.json
rename to blocks/test/fixtures/core__image__center-caption.parsed.json
diff --git a/blocks/test/fixtures/core-image-center-caption.serialized.html b/blocks/test/fixtures/core__image__center-caption.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-image-center-caption.serialized.html
rename to blocks/test/fixtures/core__image__center-caption.serialized.html
diff --git a/blocks/test/fixtures/core__latest-posts.html b/blocks/test/fixtures/core__latest-posts.html
new file mode 100644
index 0000000000000..99d215f58affa
--- /dev/null
+++ b/blocks/test/fixtures/core__latest-posts.html
@@ -0,0 +1 @@
+<!-- wp:core/latest-posts {"postsToShow":5,"displayPostDate":false} /-->
diff --git a/blocks/test/fixtures/core-latestposts.json b/blocks/test/fixtures/core__latest-posts.json
similarity index 62%
rename from blocks/test/fixtures/core-latestposts.json
rename to blocks/test/fixtures/core__latest-posts.json
index 64ea6fc63157a..3f27bca2cbd47 100644
--- a/blocks/test/fixtures/core-latestposts.json
+++ b/blocks/test/fixtures/core__latest-posts.json
@@ -1,9 +1,9 @@
 [
     {
         "uid": "_uid_0",
-        "name": "core/latestposts",
+        "name": "core/latest-posts",
         "attributes": {
-            "poststoshow": 5,
+            "postsToShow": 5,
             "displayPostDate": false
         }
     }
diff --git a/blocks/test/fixtures/core-latestposts.parsed.json b/blocks/test/fixtures/core__latest-posts.parsed.json
similarity index 70%
rename from blocks/test/fixtures/core-latestposts.parsed.json
rename to blocks/test/fixtures/core__latest-posts.parsed.json
index ce2343fc546e3..ac3a8dba1cc67 100644
--- a/blocks/test/fixtures/core-latestposts.parsed.json
+++ b/blocks/test/fixtures/core__latest-posts.parsed.json
@@ -1,8 +1,8 @@
 [
     {
-        "blockName": "core/latestposts",
+        "blockName": "core/latest-posts",
         "attrs": {
-            "poststoshow": 5,
+            "postsToShow": 5,
             "displayPostDate": false
         },
         "rawContent": ""
diff --git a/blocks/test/fixtures/core__latest-posts.serialized.html b/blocks/test/fixtures/core__latest-posts.serialized.html
new file mode 100644
index 0000000000000..99d215f58affa
--- /dev/null
+++ b/blocks/test/fixtures/core__latest-posts.serialized.html
@@ -0,0 +1 @@
+<!-- wp:core/latest-posts {"postsToShow":5,"displayPostDate":false} /-->
diff --git a/blocks/test/fixtures/core-list-ul.html b/blocks/test/fixtures/core__list__ul.html
similarity index 100%
rename from blocks/test/fixtures/core-list-ul.html
rename to blocks/test/fixtures/core__list__ul.html
diff --git a/blocks/test/fixtures/core-list-ul.json b/blocks/test/fixtures/core__list__ul.json
similarity index 100%
rename from blocks/test/fixtures/core-list-ul.json
rename to blocks/test/fixtures/core__list__ul.json
diff --git a/blocks/test/fixtures/core-list-ul.parsed.json b/blocks/test/fixtures/core__list__ul.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-list-ul.parsed.json
rename to blocks/test/fixtures/core__list__ul.parsed.json
diff --git a/blocks/test/fixtures/core-list-ul.serialized.html b/blocks/test/fixtures/core__list__ul.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-list-ul.serialized.html
rename to blocks/test/fixtures/core__list__ul.serialized.html
diff --git a/blocks/test/fixtures/core-preformatted.html b/blocks/test/fixtures/core__preformatted.html
similarity index 100%
rename from blocks/test/fixtures/core-preformatted.html
rename to blocks/test/fixtures/core__preformatted.html
diff --git a/blocks/test/fixtures/core-preformatted.json b/blocks/test/fixtures/core__preformatted.json
similarity index 100%
rename from blocks/test/fixtures/core-preformatted.json
rename to blocks/test/fixtures/core__preformatted.json
diff --git a/blocks/test/fixtures/core-preformatted.parsed.json b/blocks/test/fixtures/core__preformatted.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-preformatted.parsed.json
rename to blocks/test/fixtures/core__preformatted.parsed.json
diff --git a/blocks/test/fixtures/core-preformatted.serialized.html b/blocks/test/fixtures/core__preformatted.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-preformatted.serialized.html
rename to blocks/test/fixtures/core__preformatted.serialized.html
diff --git a/blocks/test/fixtures/core-pullquote.html b/blocks/test/fixtures/core__pullquote.html
similarity index 100%
rename from blocks/test/fixtures/core-pullquote.html
rename to blocks/test/fixtures/core__pullquote.html
diff --git a/blocks/test/fixtures/core-pullquote.json b/blocks/test/fixtures/core__pullquote.json
similarity index 100%
rename from blocks/test/fixtures/core-pullquote.json
rename to blocks/test/fixtures/core__pullquote.json
diff --git a/blocks/test/fixtures/core-pullquote.parsed.json b/blocks/test/fixtures/core__pullquote.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-pullquote.parsed.json
rename to blocks/test/fixtures/core__pullquote.parsed.json
diff --git a/blocks/test/fixtures/core-pullquote.serialized.html b/blocks/test/fixtures/core__pullquote.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-pullquote.serialized.html
rename to blocks/test/fixtures/core__pullquote.serialized.html
diff --git a/blocks/test/fixtures/core-quote-style-1.html b/blocks/test/fixtures/core__quote__style-1.html
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-1.html
rename to blocks/test/fixtures/core__quote__style-1.html
diff --git a/blocks/test/fixtures/core-quote-style-1.json b/blocks/test/fixtures/core__quote__style-1.json
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-1.json
rename to blocks/test/fixtures/core__quote__style-1.json
diff --git a/blocks/test/fixtures/core-quote-style-1.parsed.json b/blocks/test/fixtures/core__quote__style-1.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-1.parsed.json
rename to blocks/test/fixtures/core__quote__style-1.parsed.json
diff --git a/blocks/test/fixtures/core-quote-style-1.serialized.html b/blocks/test/fixtures/core__quote__style-1.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-1.serialized.html
rename to blocks/test/fixtures/core__quote__style-1.serialized.html
diff --git a/blocks/test/fixtures/core-quote-style-2.html b/blocks/test/fixtures/core__quote__style-2.html
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-2.html
rename to blocks/test/fixtures/core__quote__style-2.html
diff --git a/blocks/test/fixtures/core-quote-style-2.json b/blocks/test/fixtures/core__quote__style-2.json
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-2.json
rename to blocks/test/fixtures/core__quote__style-2.json
diff --git a/blocks/test/fixtures/core-quote-style-2.parsed.json b/blocks/test/fixtures/core__quote__style-2.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-2.parsed.json
rename to blocks/test/fixtures/core__quote__style-2.parsed.json
diff --git a/blocks/test/fixtures/core-quote-style-2.serialized.html b/blocks/test/fixtures/core__quote__style-2.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-quote-style-2.serialized.html
rename to blocks/test/fixtures/core__quote__style-2.serialized.html
diff --git a/blocks/test/fixtures/core-separator.html b/blocks/test/fixtures/core__separator.html
similarity index 100%
rename from blocks/test/fixtures/core-separator.html
rename to blocks/test/fixtures/core__separator.html
diff --git a/blocks/test/fixtures/core-separator.json b/blocks/test/fixtures/core__separator.json
similarity index 100%
rename from blocks/test/fixtures/core-separator.json
rename to blocks/test/fixtures/core__separator.json
diff --git a/blocks/test/fixtures/core-separator.parsed.json b/blocks/test/fixtures/core__separator.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-separator.parsed.json
rename to blocks/test/fixtures/core__separator.parsed.json
diff --git a/blocks/test/fixtures/core-separator.serialized.html b/blocks/test/fixtures/core__separator.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-separator.serialized.html
rename to blocks/test/fixtures/core__separator.serialized.html
diff --git a/blocks/test/fixtures/core-table.html b/blocks/test/fixtures/core__table.html
similarity index 100%
rename from blocks/test/fixtures/core-table.html
rename to blocks/test/fixtures/core__table.html
diff --git a/blocks/test/fixtures/core-table.json b/blocks/test/fixtures/core__table.json
similarity index 100%
rename from blocks/test/fixtures/core-table.json
rename to blocks/test/fixtures/core__table.json
diff --git a/blocks/test/fixtures/core-table.parsed.json b/blocks/test/fixtures/core__table.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-table.parsed.json
rename to blocks/test/fixtures/core__table.parsed.json
diff --git a/blocks/test/fixtures/core-table.serialized.html b/blocks/test/fixtures/core__table.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-table.serialized.html
rename to blocks/test/fixtures/core__table.serialized.html
diff --git a/blocks/test/fixtures/core-text-align-right.html b/blocks/test/fixtures/core__text__align-right.html
similarity index 100%
rename from blocks/test/fixtures/core-text-align-right.html
rename to blocks/test/fixtures/core__text__align-right.html
diff --git a/blocks/test/fixtures/core-text-align-right.json b/blocks/test/fixtures/core__text__align-right.json
similarity index 100%
rename from blocks/test/fixtures/core-text-align-right.json
rename to blocks/test/fixtures/core__text__align-right.json
diff --git a/blocks/test/fixtures/core-text-align-right.parsed.json b/blocks/test/fixtures/core__text__align-right.parsed.json
similarity index 100%
rename from blocks/test/fixtures/core-text-align-right.parsed.json
rename to blocks/test/fixtures/core__text__align-right.parsed.json
diff --git a/blocks/test/fixtures/core-text-align-right.serialized.html b/blocks/test/fixtures/core__text__align-right.serialized.html
similarity index 100%
rename from blocks/test/fixtures/core-text-align-right.serialized.html
rename to blocks/test/fixtures/core__text__align-right.serialized.html
diff --git a/blocks/test/full-content.js b/blocks/test/full-content.js
index dd8cb93bc7034..2869713a79bc9 100644
--- a/blocks/test/full-content.js
+++ b/blocks/test/full-content.js
@@ -158,11 +158,11 @@ describe( 'full post content fixture', () => {
 		const errors = [];
 
 		getBlockTypes().map( block => block.name ).forEach( name => {
-			const nameToFilename = name.replace( /\//g, '-' );
+			const nameToFilename = name.replace( /\//g, '__' );
 			const foundFixtures = fileBasenames
 				.filter( basename => (
 					basename === nameToFilename ||
-					startsWith( basename, nameToFilename + '-' )
+					startsWith( basename, nameToFilename + '__' )
 				) )
 				.map( basename => {
 					const filename = basename + '.html';
@@ -175,7 +175,7 @@ describe( 'full post content fixture', () => {
 
 			if ( ! foundFixtures.length ) {
 				errors.push( format(
-					'Expected a fixture file called \'%s.html\' or \'%s-*.html\'.',
+					'Expected a fixture file called \'%s.html\' or \'%s__*.html\'.',
 					nameToFilename,
 					nameToFilename
 				) );
diff --git a/lib/blocks/latest-posts.php b/lib/blocks/latest-posts.php
index 60719e9a12921..8e2238b34dfbf 100644
--- a/lib/blocks/latest-posts.php
+++ b/lib/blocks/latest-posts.php
@@ -55,6 +55,6 @@ function gutenberg_render_block_core_latest_posts( $attributes ) {
 	return $block_content;
 }
 
-register_block_type( 'core/latestposts', array(
+register_block_type( 'core/latest-posts', array(
 	'render' => 'gutenberg_render_block_core_latest_posts',
 ) );
diff --git a/phpunit/class-registration-test.php b/phpunit/class-registration-test.php
index 95b19f46da610..e6755ee7ffc7b 100644
--- a/phpunit/class-registration-test.php
+++ b/phpunit/class-registration-test.php
@@ -38,7 +38,7 @@ function test_invalid_names_without_namespace() {
 	 *
 	 * @expectedIncorrectUsage register_block_type
 	 */
-	function test_invlalid_characters() {
+	function test_invalid_characters() {
 		$result = register_block_type( 'still/_doing_it_wrong', array() );
 		$this->assertFalse( $result );
 	}