Separated RecursiveASTVisitorTest into multiple files.

Patch by Marek Kurdej.

llvm-svn: 219410
diff --git a/clang/unittests/Tooling/TestVisitor.h b/clang/unittests/Tooling/TestVisitor.h
index 7680d07..d441695 100644
--- a/clang/unittests/Tooling/TestVisitor.h
+++ b/clang/unittests/Tooling/TestVisitor.h
@@ -231,4 +231,4 @@
 };
 }
 
-#endif /* LLVM_CLANG_TEST_VISITOR_H */
+#endif