Separated out working tests from not working tests for NNC OpInfo (#58788)
Summary:
This gets rid of a lot of the try/else rigamarole.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58788
Reviewed By: ZolotukhinM
Differential Revision: D28621054
Pulled By: Chillee
fbshipit-source-id: d0d8a1b6466eb318d939a1ed172b78f492ee0d5b
