'L{BoxDispatcher.callRemoteString} returns L{None} if C{requiresAnswer}
is C{False}.'

def test_callRemoteStringRequiresAnswerFalse(self):

    (c, s, p) = connectedServerAndClient()
    ret = c.callRemoteString('WTF', requiresAnswer=False)
    self.assertIsNone(ret)
