[gn build] Make sync_source_lists_from_cmake.py check that all LLVM unittests are present

Now that the PowerPC and WebAssembly targets are added, this check passes.

Differential Revision: https://reviews.llvm.org/D56417


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350631 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed