def setUp(self):
        """Set up."""
        super(MetricsTestCase, self).setUp()
        self.user = make_storage_user(username='user1')
        self.gw = ReadWriteVolumeGateway(self.user)

        # put a recorder in the middle to see what was informed
        self.informed = []
        timing_metric.reporter.timing = lambda *a: self.informed.append(a)