public void Test_calculate_sum_multiplied() { Example_class example = new Example_class(); // make sure (2 + 2) * 2 = 8 Assert.AreEqual(8, example.Calculate_sum_multiplied(2, 2, 2)); // make sure (2 + 3) * 5 = 25 Assert.AreEqual(25, example.Calculate_sum_multiplied(2, 3, 5)); }