[PATCH] D45595: [libcxx] [test] Fix nodiscard warnings.

[Eric Fiselier via Phabricator via cfe-commits]

EricWF accepted this revision.
EricWF added a comment.
This revision is now accepted and ready to land.

There's a macro for this in test_macros.h to make it easier to search for. please use that


https://reviews.llvm.org/D45595