def test_get_container_not_found(self):
    self.mock_client.containers.return_value = []
    service = Service('foo', client=self.mock_client, image='foo')
    with pytest.raises(ValueError):
        service.get_container()
def test_get_container_not_found(self):
    self.mock_client.containers.return_value = []
    service = Service('foo', client=self.mock_client, image='foo')
    with pytest.raises(ValueError):
        service.get_container()