'Verify that if an unknown error type is raised, it will be relayed to
the other end of the connection and translated into an exception, it
will be logged, and then the connection will be dropped.'

def test_helloNoErrorHandling(self):

    L = []
    (c, s, p) = connectedServerAndClient(ServerClass=SimpleSymmetricCommandProtocol, ClientClass=SimpleSymmetricCommandProtocol)
    HELLO = THING_I_DONT_UNDERSTAND
    c.sendHello(HELLO).addErrback(L.append)
    p.flush()
    ure = L.pop()
    ure.trap(amp.UnknownRemoteError)
    c.sendHello(HELLO).addErrback(L.append)
    cl = L.pop()
    cl.trap(error.ConnectionDone)
    self.assertTrue(self.flushLoggedErrors(ThingIDontUnderstandError))
