def test_changeEventY(self):
     ed = EventEditor("")
     newEvent = ed._changeEventY(2,{ "eventType" : "click" , "time" : 0, "x" : 200 , "y" : 300 })
     self.assertEqual({ "eventType" : "click" , "time" : 0, "x" : 200 , "y" : 2 },newEvent)
 def test_changEventY_None(self):
     with self.assertRaises(AssertionError) as cm:
         ed = EventEditor("")
         newEvent = ed._changeEventY(None,[0,200,300])
     self.assertEqual('newY is non-numeric, None',str(cm.exception))