public void CombinationTestWhenFourOfKind()
{
Combination comb = new Combination();
List <Card> test = new List <Card>();
test.Add(new Card('S', '2', 1));
test.Add(new Card('H', '2', 1));
test.Add(new Card('C', '2', 1));
test.Add(new Card('H', '2', 7));
test.Add(new Card('C', 'X', 9));
List <Card> test2 = new List <Card>();
test2.Add(new Card('S', 'J', 10));
test2.Add(new Card('S', 'K', 12));
int res = comb.CheckFourOfAKind(test, test2);
Assert.AreNotEqual(0, res);
}