public void CheckSetSunsetOf()
{
q = new SetCollection <int>();
var testSet1 = new int[] { 1, 2, 3, 4, 5 };
q.AddRange(testSet1);
Assert.AreEqual(true, q.IsProperSubsetOf(new int[] { 5, 2, 3, 1, 4, 6, 5, 3, 1 }));
}
