[libcxx-commits] [libcxx] [libc++][test] Fix a logical mistake introduced by #77058 (PR #77867)

[Wu Yingcong via libcxx-commits]

yingcong-wu wrote:

Hi @mordante , I made that mistake in #77058, could you please review this patch?

https://github.com/llvm/llvm-project/pull/77867