Attempting to fix the build bot due to some missing text in the ast dump.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@201590 91177308-0d34-0410-b5e6-96231b3b80d8
Fix testcase to actually check what it was supposed to, and make it a bit more robust.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@201591 91177308-0d34-0410-b5e6-96231b3b80d8