public void BetweenTest()
{
int actual = 32;
int lower = 20;
int higher = 100;
SAssert.Between(actual, lower, higher);
int actual2 = 5;
int actual3 = 200;
XAssert.Throws <ArgumentException>(() => SAssert.Between(actual2, lower, higher));
XAssert.Throws <ArgumentException>(() => SAssert.Between(actual3, lower, higher));
}