def METHOD_NAME(self):
    """
    Data received by the protocol gets passed to the wrapped
    protocol.
    """
    clock = Clock()
    wrapped_protocol = AccumulatingProtocol()
    protocol = HangCheckProtocol(wrapped_protocol, reactor=clock)
    transport = StringTransport()
    transport.protocol = protocol
    protocol.makeConnection(transport)
    protocol.dataReceived(b'some-data')
    self.assertEqual(wrapped_protocol.data, b"some-data")