def test_get_even_numbers_only_odd(self):
        data = [1, 15, 27, -3, -5]

        result = exercises.get_even_numbers(data)
        original_data = data[:]

        self.assertListEqual([], result)
        self.assertListEqual(original_data, data, ORIGINAL_ARGUMENTS_MODIFIED)
    def test_get_even_numbers_with_mixed(self):
        data = [1, 3, 3, 0, 4, 5, 17, 22, 209, 100, -2, -7, -90]
        original_data = data[:]

        result = exercises.get_even_numbers(data)

        self.assertListEqual([0, 4, 22, 100, -2, -90], result)
        self.assertListEqual(original_data, data, ORIGINAL_ARGUMENTS_MODIFIED)