On January 27, 2017 going to starts in Japan, Tokyo the next official Attack on Titan TEAM BATTLE location test. You can test the game until January 29, 2017 and than from February 3 until February 5, 2017 you can test it again in Osaka.
In both cities you can test the next Attack on Titan game for free and the first arriveles will receive special promotion gifts like limited stickers. The location test is free for everyone but you can play with the game only for a limited time. So, you can test the game in here: