I love Testament, and they definitely bring it live, but I agree about changing up the set, and I feel like they could even add at least two or three more songs. With a catalog such as theirs, it wouldn't hurt at all to lengthen the set a bit.
04/08 - Volbeat / Trivium
06/18 - The Milk Carton Kids
07/31 - Chicago / REO Speedwagon