Remove usage of FOLDER constant in test_distributed.py (#23223)
Summary:
This is step 1 in trying to get rid of constants that are set prior to
executing the test runner. All setup logic should be concentrated in
the setupClass() function of the TestCase subclass.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23223
ghstack-source-id: 87005260
Reviewed By: zhaojuanmao
Differential Revision: D16439147
fbshipit-source-id: 7a929ad4b1c8e368e33d1165becbd4d91220882c
