GitLab

* [Tests] parallelize

* finish folder structuring

* Parallelize tests more

* Correct saving of pipelines

* make sure logging level is correct

* try again

* Apply suggestions from code review
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

---------
Co-authored-by: Pedro Cuenca <pedro@huggingface.co>

* [Tests] Correct PT2

* correct more

* move versatile to nightly

* up

* up

* again

* Apply suggestions from code review

fix: slow serialization tests

* ema test cases.

* debugging maessages.

* debugging maessages.

* add: tests for ema.

* fix: optimization_step arg,

* handle device placement.

* Apply suggestions from code review
Co-authored-by: Will Berman <wlbberman@gmail.com>

* remove del and gc.

* address PR feedback.

* add: tests for serialization.

* fix: typos.

* skip_mps to serialization.

---------
Co-authored-by: Will Berman <wlbberman@gmail.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>