initial draft for assert_tensors_(equal|allclose) in torch.testing (#53820)
Summary:
Addresses https://github.com/pytorch/pytorch/issues/53618#issuecomment-795896298
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53820
Reviewed By: agolynski
Differential Revision: D27113912
Pulled By: mruberry
fbshipit-source-id: 2a37522eaa37e90bf7b116f3964b06b46068cab7
