def METHOD_NAME(aggregator, pdh_mocks_fixture):  # noqa F811
    initialize_pdh_tests()
    instance = copy.deepcopy(DEFAULT_INSTANCE)
    instance['additional_metrics'] = SINGLE_INSTANCE_COUNTER
    c = PDHBaseCheck("testcheck", {}, [instance], counter_list=[])
    c.check(instance)
    aggregator.assert_metric("test.system.mem.available", tags=None, count=1)