def METHOD_NAME(self):
    """
    When the cache is queried exactly as the cached entry should expire but
    before it has actually been cleared, the cache does not return the
    expired entry.
    """
    r = (
        [
            dns.RRHeader(
                b"example.com", dns.A, dns.IN, 60, dns.Record_A("127.0.0.1", 60)
            )
        ],
        [
            dns.RRHeader(
                b"example.com", dns.A, dns.IN, 50, dns.Record_A("127.0.0.1", 50)
            )
        ],
        [
            dns.RRHeader(
                b"example.com", dns.A, dns.IN, 40, dns.Record_A("127.0.0.1", 40)
            )
        ],
    )
    clock = task.Clock()
    # Make sure timeouts never happen, so entries won't get cleared:
    clock.callLater = lambda *args, **kwargs: None
    c = cache.CacheResolver(
        {
            dns.Query(name=b"example.com", type=dns.A, cls=dns.IN): (
                clock.seconds(),
                r,
            )
        },
        reactor=clock,
    )
    clock.advance(60.1)
    return self.assertFailure(c.lookupAddress(b"example.com"), dns.DomainError)