Fix flaky Hub CI (`test_trainer.py`) (#35062)
* fix
* Update src/transformers/testing_utils.py
Co-authored-by: Lucain <lucainp@gmail.com>
* fix
* fix
* fix
* fix
* fix
* fix
* fix
* fix
* check
* check
* check
* check
* check
* check
* Update src/transformers/testing_utils.py
Co-authored-by: Lucain <lucainp@gmail.com>
* Update src/transformers/testing_utils.py
Co-authored-by: Lucain <lucainp@gmail.com>
* check
* check
* check
* Final space
* Final adjustment
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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>
Co-authored-by: Lucain <lucainp@gmail.com>