Add missing decorators in test_spectral_ops (#53736)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/53456
I'm confused why this wasn't picked up in CI. There's definitely at least one CI job that builds without MKL. Are spectral_ops not being run at all on that job?
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53736
Reviewed By: albanD
Differential Revision: D27007901
Pulled By: mruberry
fbshipit-source-id: cd93a2c48f4ccb2fd2e0e35768ee059039868a1b
