def test_that_function_returns_false_when_ids_are_the_same(self):
     response = are_items_unique([1, 2, 3, 2, 5])
     self.assertFalse(response)
 def test_that_function_returns_true_when_ids_are_diffrent(self):
     response = are_items_unique([1, 2, 3, 4, 5])
     self.assertTrue(response)