Run sparse tests only for TensorPipe agent. (#66661)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66661
Similar to https://github.com/pytorch/pytorch/pull/66600, runs
rpc_test.py sparse tests only for TP agent.
ghstack-source-id: 140666322
Test Plan: waitforbuildbot
Reviewed By: rohan-varma
Differential Revision: D31669850
fbshipit-source-id: 41a66c8d1843130964aede5c77d391484607214f
