[libcxx-commits] [libcxx] [libcxx][docs] Make test name pattern documentation more obvious (PR #73136)

[Mark de Wever via libcxx-commits]

https://github.com/mordante approved this pull request.

Thanks for working on this, I have grepped for this information a number times. Having it on the website gives it a better visibility.

LGTM modulo some comments. Please wait for @ldionne to review this too.

https://github.com/llvm/llvm-project/pull/73136