def registerProducerAfterConnectionLost(self, streaming):
        clientProtocol, tlsProtocol = buildTLSProtocol()
        clientProtocol.connectionLost = lambda reason: reason.trap(Error)

        class Producer(object):
            stopped = False

            def resumeProducing(self):
                return 1/0 # this should never be called

            def stopProducing(self):
                self.stopped = True

        # Disconnect the transport:
        tlsProtocol.connectionLost(Failure(ConnectionDone()))

        # Register the producer; startProducing should not be called, but
        # stopProducing will:
        producer = Producer()
        tlsProtocol.registerProducer(producer, False)
        self.assertIdentical(tlsProtocol.transport.producer, None)
        self.assertEqual(producer.stopped, True)
Write your backwards methods here.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/protocols/test/test_tls.py/TLSProducerTests.registerProducerAfterConnectionLost--crossover with--dataset/ETHPy150Open nephila/djangocms-blog/djangocms_blog/south_migrations/0012_move_tags.py/Migration.backwards