Listen to This Is A Test (Mixed) (Arkham Knights Remix) online. This Is A Test (Mixed) (Arkham Knights Remix) is an English language song and is sung by Armin Van Buuren. This Is A Test (Mixed) (Arkham Knights Remix), from the album The Best Of Armin Only (Live from the Johan Cruijff ArenA - Amsterdam, The Netherlands) [Highlights], was released in the year 2019. The duration of the song is 5:06. Download English songs online from JioSaavn.