[testing] assert no duplicate in method_tests for an OpInfo entry (#53492)
Summary:
Assert no duplicate in method_tests for an OpInfo entry
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53492
Reviewed By: izdeby
Differential Revision: D26882441
Pulled By: mruberry
fbshipit-source-id: f0631ea2b46b74285c76365c679bd45abc917d63
