public void TestSequence()
{
Calculator calculator = new Calculator();
int input1 = 5;
string expectedResults1 = "0, 1, 2, 3, 4, 5";
int input2 = 20;
string expectedResults2 = "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20";
Assert.AreEqual(expectedResults1, calculator.GetIncrementalSequence(input1).ToString());
Assert.AreEqual(expectedResults2, calculator.GetIncrementalSequence(input2).ToString());
}