
Here,assertDictEqual is test that two dictionaries are equal.This method will be used by default to compare dictionaries in calls to assertEqual. So,I replace assertDictEqual. refer to [1] for more information [1]:https://docs.python.org/2.7/library/unittest.html#unittest.TestCase.assertDictEqual Change-Id: Idb30eeab13e9cad44e7c78c7903280f5e3bf66d6