def media_play(self):
        self._state = STATE_PLAYING
Fetches the AuthSub token's metadata from the server.
dataset/ETHPy150Open home-assistant/home-assistant/tests/components/media_player/test_universal.py/MockMediaPlayer.media_play--crossover with--dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/service.py/GDataService.AuthSubTokenInfo