def METHOD_NAME(self, dd_run_check, aggregator, instance):
    # type: (Callable, AggregatorStub, Instance) -> None
    instance = instance.copy()
    instance['port'] = SERVER_PORTS['proxy']
    check = RethinkDBCheck('rethinkdb', {}, [instance])
    dd_run_check(check)
    assert_metrics(aggregator, is_proxy=True)
    assert_service_checks(aggregator, instance)