def test_setup_timeout_when_datasat_not_created(self):
        c = Clock()
        cluster = self.make_cluster(
            self.get_unresponsive_flocker_client_instance())
        s = write_request_load_scenario(c, cluster, 5, sample_size=3)

        d = s.start()
        c.pump(repeat(1, s.request.timeout+1))

        failure = self.failureResultOf(d)
        self.assertIsInstance(failure.value, DatasetCreationTimeout)
``write_request_load_scenario`` should timeout if the setup the dataset
dataset/ETHPy150Open ClusterHQ/flocker/benchmark/scenarios/test/test_write_request_load.py/write_request_load_scenarioTest.test_setup_timeout_when_datasat_not_created