https://topdeck.ru/forums/topic/29604-current-testing-aka-%D0%BB%D0%BE%D1%85%D0%BC%D0%B0%D1%82%D0%BE%D0%B5-%D0%BB%D0%B5%D0%B3%D0%B0%D1%81%D0%B8/?do=findComment&comment=527533