def test_load_from_storage(self):
cloud_provider = MagicMock()
cloud_provider.is_instance_running.return_value = True
cloud_provider.get_ips.return_value = ('127.0.0.1', '127.0.0.1')
setup_provider = MagicMock()
storage = MagicMock()
cluster = Cluster(config_cluster_name, config_cloud_name, cloud_provider, setup_provider, 1, 2, Configurator())
cluster._storage = storage
cluster.load_from_storage()
storage.load_cluster.assert_called_once_with(cluster)
