[clang] [llvm] [clang][python][test] Move python binding tests to lit framework (PR #142948)

[Jannick Kremer via llvm-commits]

https://github.com/DeinAlptraum commented:

LGTM now. I'd just like the libclang Python CI to run, but for some reason it doesn't seem to trigger...

https://github.com/llvm/llvm-project/pull/142948