TST/CLN: Fixturize tests/frame/test_block_internals.py

[makbigc]

• Following h-vetinari's footstep (TST/CLN: remove TestData from frame-tests; replace with fixtures #22471 ), "translate" one of the test file
• tests added / passed

[pep8speaks]

Hello @makbigc! Thanks for submitting the PR.

• There are no PEP8 issues in the file pandas/tests/frame/test_block_internals.py !

[jreback]

can you rebase and ping on green.

[codecov]

Codecov Report

Merging #22926 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #22926   +/-   ##
=======================================
  Coverage   92.13%   92.13%           
=======================================
  Files         170      170           
  Lines       51073    51073           
=======================================
  Hits        47056    47056           
  Misses       4017     4017

Flag	Coverage Δ
#multiple	90.56% <ø> (ø)	⬆️
#single	42.28% <ø> (ø)	⬆️

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[makbigc]

@jreback Thanks for your review. Rebased.

[jreback]

thanks @makbigc keep em coming!