Add test units to ClockTestCase
Add test units to ClockTestCase

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