def setUp(self):
     super(TestTransportDispatch, self).setUp()
     memory_server = MemoryServer()
     memory_server.start_server()
     base_transport = get_transport(memory_server.get_url())
     base_transport.mkdir('hosted')
     self.hosted_transport = base_transport.clone('hosted')
     self.factory = TransportDispatch(self.hosted_transport)