[libcxx-commits] [libcxx] [libc++][ranges][NFC] Format a couple of tests as a prerequisite to https://llvm.org/PR190513 (PR #190514)

[Hristo Hristov via libcxx-commits]

https://github.com/H-G-Hristov edited https://github.com/llvm/llvm-project/pull/190514