Updated the test case to show that no diagnostics are expected, and not...

Updated the test case to show that no diagnostics are expected, and not require emitting the AST until after the AST printing for statement attributes is updated.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208703 91177308-0d34-0410-b5e6-96231b3b80d8