def METHOD_NAME(self):
    super().METHOD_NAME()
    mngr = self._make_test_manager(mock.Mock)
    self.patchExtMan = mock.patch("stevedore.extension.ExtensionManager")
    self.mockExtMan = self.patchExtMan.start()
    self.mockExtMan.return_value = mngr
    self.old_ext_man = extension_loader.MANAGER
    extension_loader.MANAGER = extension_loader.Manager()
    self.config = mock.MagicMock()
    self.config.get_setting.return_value = None