'L{dns._EDNSMessage.__repr__} displays field values if they differ from
their defaults.'

def test_reprNonDefautFields(self):

    m = self.messageFactory(id=10, opCode=20, rCode=30, maxSize=40, ednsVersion=50)
    self.assertEqual('<_EDNSMessage    id=10    opCode=20    rCode=30    maxSize=40    ednsVersion=50>', repr(m))
