[stable10] Backport of add test copying file different case

[davitol]

Backport of: #33605
and #33623

[phil-davis]

CI fails because the step text in the new scenario is not valid. I don't know how it passed in master.
See master PR #33623 for adjustments.
We will need to cherry-pick that back to this backport PR to implement the backport "all at once".

[codecov]

Codecov Report

Merging #33622 into stable10 will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             stable10   #33622   +/-   ##
===========================================
  Coverage       62.94%   62.94%           
  Complexity      18898    18898           
===========================================
  Files            1242     1242           
  Lines           74130    74130           
  Branches         1293     1293           
===========================================
  Hits            46660    46660           
  Misses          27083    27083           
  Partials          387      387

Flag	Coverage Δ	Complexity Δ
#javascript	53.33% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	63.99% <ø> (ø)	18898 <ø> (ø)	⬇️

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[phil-davis]

Extra commits added to backport from PR #33623 - it should pass now.