public void SevenSevenSevenSingleCardLargestGroup()
        {
            var batch    = GenerateTestCase();
            var result   = GroupingAlgorithms.GetLargestSevenSevenSevenGroup(batch, new Card(CardNo.Four, CardType.Clubs));
            var expected = new List <Card>
            {
                new Card(CardNo.Four, CardType.Hearts),
                new Card(CardNo.Four, CardType.Diamonds),
                new Card(CardNo.Four, CardType.Spades),
                new Card(CardNo.Four, CardType.Clubs)
            };

            Assert.True(result.IsEquivalent(expected));
        }