[libcxx-commits] [libcxx] [libc++] Move a few tests into more correct places (PR #147557)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne commented:

The patch looks good to me overall, but let's not add `%{python}` to the substitutions in `format.py`.

https://github.com/llvm/llvm-project/pull/147557