def RetrieveIP6Info(self, ip):
    _ = ip
    return (IPInfo.INTERNAL, "Internal IP6 address.")
Test assertWarns failure when the category is wrong.
dataset/ETHPy150Open google/grr/grr/lib/ip_resolver.py/IPResolver.RetrieveIP6Info--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/trial/test/test_assertions.py/WarningAssertionTests.test_assertWarnsWrongCategory