Add more RRef CUDA RPC tests (#56757)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56757
Test Plan: Imported from OSS
Reviewed By: H-Huang
Differential Revision: D27959592
Pulled By: mrshenli
fbshipit-source-id: b72c873bcaef4515b0fc8d48ae539477e1850a40
