def test_decrement_seconds_3_times_is_10_minutes_45_seconds(self):
time_options_manager = TimeOptionsManager()
time_options_manager.decrement_seconds()
time_options_manager.decrement_seconds()
time_options_manager.decrement_seconds()
result = time_options_manager.get_time_string()
self.assertEqual(result, "10:15")
def test_decrement_minutes_once_is_9_minutes(self):
time_options_manager = TimeOptionsManager()
time_options_manager.decrement_minutes()
result = time_options_manager.get_time_string()
self.assertEqual(result, "09:00")
def test_default_time_10_minutes(self):
time_options_manager = TimeOptionsManager()
result = time_options_manager.get_time_string()
self.assertEqual(result, "10:00")