def test_sleep(self): client = ServerProxy('http://localhost:%d/RPC2' % SERVERPORT, allow_none=True) start = time() client.sleep(0.1) end = time() delta = end - start dummy_log(local().current) self.assertGreater(delta, 0.101) traces = DummyClient._client.messages self.assertEqual( len(traces), 1, "There should be one trace for " "the request just processed")