'L{dns._EDNSMessage.__repr__} displays flags if they are L{True}.'

def test_reprFlagsIfSet(self):

    m = self.messageFactory(answer=True, auth=True, trunc=True, recDes=True, recAv=True, authenticData=True, checkingDisabled=True, dnssecOK=True)
    self.assertEqual('<_EDNSMessage    id=0    flags=answer,auth,trunc,recDes,recAv,authenticData,checkingDisabled,dnssecOK>', repr(m))
