def test_unknown_dataset(self):
        unknown_dataset_id = unicode(uuid4())
        return self.assertResult(
            method=b"POST",
            path=b"/configuration/datasets/%s" % (
                unknown_dataset_id.encode('ascii'),),
            request_body={},
            expected_code=NOT_FOUND,
            expected_result={u"description": u'Dataset not found.'}
        )
This is a callback from the flowvisor when the topology changes.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/control/test/test_httpapi.py/UpdateDatasetGeneralTestsMixin.test_unknown_dataset--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/optin_manager/src/python/openflow/optin_manager/xmlrpc_server/fv_api.py/topology_changed