Fix issue #19300
# What does this PR do?

This PR fixing issue #19300 

<!-- Remove if not applicable -->

Fixes # (issue)
#19300

## Before submitting
- [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
- [ ] Did you read the [contributor guideline](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md#start-contributing-pull-requests),
      Pull Request section?
- [ ] Was this discussed/approved via a Github issue or the [forum](https://discuss.huggingface.co/)? Please add a link
      to it if that's the case.
- [ ] Did you make sure to update the documentation with your changes? Here are the
      [documentation guidelines](https://github.com/huggingface/transformers/tree/main/docs), and
      [here are tips on formatting docstrings](https://github.com/huggingface/transformers/tree/main/docs#writing-source-documentation).
- [ ] Did you write any new necessary tests?


## Who can review?
@sgugger 


@sgugger  How do I get output_dir in on_train_end callback ? <|||||>@sgugger  Never mind, Let me fix the failing tests. <|||||>Let me know if you need any help!<|||||>@sgugger  The tests pass now. There was bug in my change and it is great that our tests caught it. <|||||>Thanks again for all your work on this!