Replace deprecated assertEquals call

Author: bnavigator

kubernetes/base/config/kube_config_test.py

@@ -1615,7 +1615,7 @@ def test__get_kube_config_loader_file_persist(self):
         actual = _get_kube_config_loader(filename=config_file,
                                          persist_config=True)
         self.assertTrue(callable(actual._config_persister))
-        self.assertEquals(actual._config_persister.__name__, "save_changes")
+        self.assertEqual(actual._config_persister.__name__, "save_changes")
 
     def test__get_kube_config_loader_dict_no_persist(self):
         expected = FakeConfig(host=TEST_HOST,