def test_start_from_image(self):
        sb = container_sandbox.ContainerSandbox(image_name='test_image')
        with self.assertRaises(utils.AppstartAbort):
            sb.start()

        fake_docker.reset()
        fake_docker.images.append('test_image')
        sb.start()

        self.assertEqual(len(fake_docker.images),
                         len(fake_docker.DEFAULT_IMAGES) + 2,
                         'Too many images created')
 def setUp(self):
     fake_docker.reset()