def test_noMatches(self):
        self.discovery_result = (None, ['unused'])
        def raiseProtocolError(unused1, unused2):
            raise ProtocolError('unit test')
        self.consumer._verifyDiscoverySingle = raiseProtocolError
        self.failUnlessDiscoveryFailure()
Fires a deferred once a GCE operation is complete, or timeout passes.
dataset/ETHPy150Open CollabQ/CollabQ/openid/test/test_consumer.py/TestDiscoverAndVerify.test_noMatches--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/gce.py/wait_for_operation_async