public void TestSum3()
{
int sum = StatisticalMethods.Sum(-98);
Assert.AreEqual(-98, sum);
}
public void TestSum4()
{
int sum = StatisticalMethods.Sum(7, 6, 0, 9);
Assert.AreEqual(22, sum);
}
public void TestSum2()
{
int sum = StatisticalMethods.Sum();
Assert.Fail();
}