Commit
1df0dbfcb5c0b90299fe5b74caf42e4cacce16fc
by michaelrj
[libc][NFC] add "LlvmLibc" as a prefix to all test names
Summary: Having a consistent prefix makes selecting all of the llvm libc tests easier on any platform that is also using the gtest framework. This also modifies the TEST and TEST_F macros to enforce this change moving forward.