[clang] [clang][test] Rewrote test to work with lit internal shell syntax (PR #105902)

[Chuanqi Xu via cfe-commits]

https://github.com/ChuanqiXu9 approved this pull request.

LGTM on my side. Thanks. But I didn't take a detailed look into https://discourse.llvm.org/t/rfc-enabling-the-lit-internal-shell-by-default/80179/29. So it might be good to wait for people there to approve this 

https://github.com/llvm/llvm-project/pull/105902