[BE] rename some tests in test_c10d_common (#67828)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67828
as titled
ghstack-source-id: 143781976
Test Plan: wait for ci
Reviewed By: mrshenli
Differential Revision: D32165576
fbshipit-source-id: 40c04b74f9e3241d3b3d64dee53af01fcfd1018b
