Skip test_c10d.ProcessGroupNCCLTest under TSAN (#42750)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/42750
All of these tests fail under TSAN since we fork in a multithreaded
environment.
ghstack-source-id: 109566396
Test Plan: CI
Reviewed By: pritamdamania87
Differential Revision: D23007746
fbshipit-source-id: 65571607522b790280363882d61bfac8a52007a1
