[compiler-rt] [llvm] [llvm-lit] Fix error in compiler-rt tests when using lit internal shell add env (PR #102069)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

How did you get to the issue?
We run these test on bots and locally, and see no issue.

Please add that into description.

Also please address clang-format complains.

https://github.com/llvm/llvm-project/pull/102069