feat(presentation-role-conflict): Test img elements with empty alt #3717
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imgelements with an empty alt attribute should not be focusable, or have global ARIA attributes. I was previously reluctant to fail for example<img alt="" aria-label="hello">, but it seems that browsers are not consistent about how to deal with this. There's an ARIA issue open on this topic here: w3c/aria#1824 (comment)This also solves a consistency issue with ACT, which is nice. I was previously advocating to have that ACT rule updated, but now that there's a clear problem caught here, I think axe-core should fail this.
Closes issue: #3702