def test_duration_eq_dunder_correctly_compares_duration_objects(self):
test1 = Duration('5:55')
test2 = Duration('5:55')
test3 = Duration('6:23:11')
self.assertEqual(test1, test2)
self.assertNotEqual(test2, test3)
def test_duration_str_dunder_representation_is_as_expected(self):
test1 = Duration('5:55')
test2 = Duration('6:23:11')
self.assertEqual(str(test1), '5:55')
self.assertEqual(str(test2), '6:23:11')