Use bettter names for the tests.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199161 91177308-0d34-0410-b5e6-96231b3b80d8
Reduce the boilerplate in the test cases for the module-definition file.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199163 91177308-0d34-0410-b5e6-96231b3b80d8
Whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199164 91177308-0d34-0410-b5e6-96231b3b80d8
Reduce even more boilerplate.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199165 91177308-0d34-0410-b5e6-96231b3b80d8