Add test for 6315.
Add test for 6315.

kivy/kivy,inclement/kivy,inclement/kivy,inclement/kivy,matham/kivy,rnixx/kivy,matham/kivy,kivy/kivy,akshayaurora/kivy,matham/kivy,rnixx/kivy,akshayaurora/kivy,matham/kivy,kivy/kivy,rnixx/kivy,akshayaurora/kivy