Listen to This Is A Test (Arkham Knights Remix) online. This Is A Test (Arkham Knights Remix) is an English language song and is sung by Armin Van Buuren. This Is A Test (Arkham Knights Remix), from the album This Is A Test (Remixes), was released in the year 2017. The duration of the song is 3:37. Download English songs online from JioSaavn.