.github: Add render test results step (#64937)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64937
Adds CLI output for rendered test results to go alongside test exeuction, users should be able to quickly diagnose test failures like so:
![fdsfdsfdsfdsf](https://user-images.githubusercontent.com/1700823/133156245-ba939cbf-8aa2-47a7-b1fb-7cc876ca75c4.png)
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
cc ezyang seemethere malfet lg20987 pytorch/pytorch-dev-infra
Test Plan: Imported from OSS
Reviewed By: jbschlosser
Differential Revision: D30917897
Pulled By: seemethere
fbshipit-source-id: f51ea499462e3cfd64496cb711b84a93971c91bd