rename TestFuser to TestTEFuser (#41542)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/41542
Reviewed By: jamesr66a
Differential Revision: D22579606
Pulled By: Krovatkin
fbshipit-source-id: f65b2cae996b42d55ef864bc0b424d9d43d8a2e2
