add simple test for smooth_scroll_end
add simple test for smooth_scroll_end

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