✨[Feature] Add FX tests to CI

[thuyen]

It seems all tests in py/torch_tensorrt/fx/test are not run in CI at all. It would be good to add them to CI.

[peri044]

@thuyen Our dynamo path supersedes FX path. While the FX frontend isnt actively being developed, any FX components in use are still covered through dynamo tests in tests/py/dynamo. You could also try our dynamic compilation path

1. https://docs.pytorch.org/TensorRT/dynamo/torch_compile.html
2. https://docs.pytorch.org/TensorRT/dynamo/dynamo_export.html