
Following OpenStack Style Guidelines[1]: [H203] Unit test assertions tend to give better messages for more specific assertions. As a result, assertIsNotNone(...) is preferred over assertNotEqual(None, ...) and assertIsNot(None, ...) [1] http://docs.openstack.org/developer/hacking/#unit-tests-and-assertraises Change-Id: Ie2631ce6d5f1756fe520850be0e0d304f41ba760