Fix MacOS artifact upload (#69188)
Summary:
Add test shard number and runner name to the test name suffix
Otherwise test report names for shard 1 and shard 2 will be identical
and override each other
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69188
Reviewed By: janeyx99
Differential Revision: D32747747
Pulled By: malfet
fbshipit-source-id: 149f921d8e420d3ed69ce812bdcd3c034799353a