def test_if_low_battery_level(self):
# check number zero the limit
battery_test = Battery(bet(0,0,0))
self.assertTrue(battery_test.if_low_battery_level(),"battey low")
battery_test = Battery(bet(0,0,4))
self.assertTrue(battery_test.if_low_battery_level(),"battey low")
battery_test = Battery(bet(0,0,5))
self.assertTrue(battery_test.if_low_battery_level(),"battey low")
battery_test = Battery(bet(0,0,6))
self.assertFalse(battery_test.if_low_battery_level(),"battey low")
