Toyota Yaris WRC test videos:
https://www.youtube.com/watch?v=22LFPyyT5to
https://www.facebook.com/photo.php?v=10152235179558808
look and sound like it has been tested for some time already
perhaps few spot entries in wrc 2016 and then full wrc assault from 2017 (new rules also from 2017 if not postponed)