[libcxx-commits] [libcxx] [libc++][ranges] Refactored `ranges::to` `[[nodiscard]]` tests (PR #173574)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

Mostly fine now. I'd like to see more detailed description like the following. Feel free to reword it again.
> Moved `ranges::to` `[[nodiscard]]` tests to conventional location and refactored them. Also removed the old, concentrated, and now redundant test file for the whole `<ranges>`.

https://github.com/llvm/llvm-project/pull/173574