update test_rpc (#62781)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/62781
Test Plan: Imported from OSS
Reviewed By: walterddr, zhouzhuojie
Differential Revision: D30124391
Pulled By: tktrungna
fbshipit-source-id: 99c275d6c9f23b4f274fd0ca19a16879ed27afd5
