I can't hep but think we already had a look at the VR room without knowing it. Remember these?
http://www.planetside-universe.com/m...d649f6e284.jpg
http://www.planetside-universe.com/m...d648bef76e.jpg
http://www.planetside-universe.com/m...d66a39c583.jpg
That to me looks a lot like what a VR testing room would be. Numbers on the ground telling distance and various landscapes for testing vehicles/