[libcxx-commits] [libcxx] [libc++][test] Refactor tests for ranges::swap_range algorithms (PR #121138)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

Thanks a lot for the improvements, I do have some comments before we merge this but it generally looks really good.

https://github.com/llvm/llvm-project/pull/121138