DICE has announced it's ended testing on the Caspian Border map for the PC beta of Battlefield 3. A Battlelog post from Battlefield community manager zh1nt0 said: "Thank you everyone who participated in testing Caspian Border with us during the Open Beta. We of course cherish and appreciate the time you have put into supplying is with good feedback. We will of course read it through and discuss it internally. Testing has now been completed and we are shutting down the Caspian Border servers."
Back to Metro you go. The beta is ongoing on PS3, 360 and PC, with the full game releasing at the end of next month.