[jit] gtestify test_argument_spec.cpp (#45019)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45019
See https://github.com/pytorch/pytorch/pull/45018 for context.
Test Plan: Imported from OSS
Reviewed By: ZolotukhinM
Differential Revision: D23802298
Pulled By: suo
fbshipit-source-id: 0e36d095d4d81dcd5ebe6d56b3dc469d6d5482d0
