Convert StoreTestUtils to Gtest (#43382)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43382
StoreTestCommon defines standard helper functions that are used by all of our Store tests. These helpers currently throw exceptions upon failure, this PR changes them to use gtest assertions instead.
ghstack-source-id: 111690833
Test Plan: Tested the 2 PR's above this on devvm
Reviewed By: jiayisuse
Differential Revision: D22828156
fbshipit-source-id: 9e116cf2904e05ac0342a441e483501e00aad3dd
