'L{dns._OPTHeader.__repr__} displays the name and type and all
the fixed and extended header values of the OPT record.'

def test_repr(self):

    self.assertEqual(repr(dns._OPTHeader()), '<_OPTHeader    name=    type=41    udpPayloadSize=4096    extendedRCODE=0    version=0    dnssecOK=False    options=[]>')
