disable refactoring tests for now.

test/test_integration.py

@@ -34,6 +34,9 @@ def test_refactor(refactor_case):
 
     :type refactor_case: :class:`.refactor.RefactoringCase`
     """
+    if 0:
+        # TODO Refactoring is not relevant at the moment, it will be changed
+        # significantly in the future, but maybe we can use these tests:
         refactor_case.run()
         assert_case_equal(refactor_case,
                           refactor_case.result, refactor_case.desired)