[Tensorpipe Agent] Enabling tests with OSS CI (#38447)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38447
This PR modifies `run_tests.py` to enable running Tensorpipe Agent tests with the OSS CI.
ghstack-source-id: 104321881
Test Plan: CI
Differential Revision: D21560096
fbshipit-source-id: 7d61cc1c354e9353c4a586dd2b56690c28d51d10
