Fix indentation typo in test_fx_experimental.py (#71885)
Summary:
These tests were not actually running as they were defined in the local scope of another test
Pull Request resolved: https://github.com/pytorch/pytorch/pull/71885
Reviewed By: scottxu0730
Differential Revision: D33806251
Pulled By: jansel
fbshipit-source-id: 48a2d7b472f160759ef55e6fff1f8890511e3345
(cherry picked from commit 9ae14efb25dd034fed60ae99465cd3673c24eed2)
