@inlineCallbacks
def test_no_content_in_reply(self):
    (yield self.get_transport())
    msg = (yield self.tx_helper.make_dispatch_outbound(content='', message_id=1))
    [nack] = (yield self.tx_helper.wait_for_dispatched_events(1))
    self.assert_nack(nack, msg, 'Outbound message has no content.')
@inlineCallbacks
def test_no_content_in_reply(self):
    (yield self.get_transport())
    msg = (yield self.tx_helper.make_dispatch_outbound(content=, message_id=1))
    [nack] = (yield self.tx_helper.wait_for_dispatched_events(1))
    self.assert_nack(nack, msg, 'Outbound message has no content.')