Fix mixed precision check in TestCase.run_layer_test: compare with output_spec dtype instead of hardcoded float16

[shkarupa-alex]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.56%. Comparing base (c8700f4) to head (8ecb5c5).
Report is 95 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #19297      +/-   ##
==========================================
- Coverage   80.14%   75.56%   -4.59%     
==========================================
  Files         341      365      +24     
  Lines       36163    39863    +3700     
  Branches     7116     7747     +631     
==========================================
+ Hits        28982    30121    +1139     
- Misses       5578     8062    +2484     
- Partials     1603     1680      +77     

Flag	Coverage Δ
keras	75.41% <90.00%> (-4.58%)	⬇️
keras-jax	59.65% <90.00%> (-3.41%)	⬇️
keras-numpy	54.19% <0.00%> (-2.89%)	⬇️
keras-tensorflow	61.15% <90.00%> (-3.50%)	⬇️
keras-torch	60.26% <90.00%> (-3.61%)	⬇️

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[shkarupa-alex]

Need help with Tests / Check the code format (pull_request) Failing after 1m.
File is formatted as described in contribution docs.

> sh shell/format.sh
Skipped 26 files
All done! ✨ 🍰 ✨
626 files left unchanged.

[fchollet]

Tests / Check the code format (pull_request)

Run sh shell/format.sh to format the code.

[shkarupa-alex]

Tests / Check the code format (pull_request)

Run sh shell/format.sh to format the code.

As i wrote here #19297 (comment) i already ran that script.

[fchollet]

would reformat /home/runner/work/keras/keras/keras/testing/test_case.py

I suppose you don't have the latest version of black installed?

[shkarupa-alex]

would reformat /home/runner/work/keras/keras/keras/testing/test_case.py

I suppose you don't have the latest version of black installed?

Updated to latest version 24.2.0 (previous version installed with requirements.txt as noted in contribution docs).
Now reformatting replaced from keras import ... to from keras.src import ...