'Two L{dns.Record_A} instances compare equal if and only if they have
the same address and TTL.'

def test_a(self):

    self._equalityTest(dns.Record_A('1.2.3.4', 5), dns.Record_A('1.2.3.4', 5), dns.Record_A('1.2.3.4', 6))
    self._equalityTest(dns.Record_A('1.2.3.4', 5), dns.Record_A('1.2.3.4', 5), dns.Record_A('1.2.3.5', 5))
