def test_lookupAddressNotFound(self):
        return self.assertFailure(self.resolver.lookupAddress('foueoa'),
                                  DomainError)
L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/names/test/test_hosts.py/HostsTestCase.test_lookupAddressNotFound