def test_send_no_notif(self):

        # test notification on send no initial vm state:
        old_vm_state = self.instance['vm_state']
        new_vm_state = self.instance['vm_state']
        old_task_state = self.instance['task_state']
        new_task_state = self.instance['task_state']

        notifications.send_update_with_states(self.context, self.instance,
                old_vm_state, new_vm_state, old_task_state, new_task_state,
                service="compute", host=None, verify_states=True)

        self.assertEqual(0, len(fake_notifier.NOTIFICATIONS))