public void Case2()
{
var difference = new IHand[] { new DefaultHand(new TheArmy(), 0) };
var next = new IHand[] { new DefaultHand(new TheKing(), 0) };
var previous = next.Concat(difference);
var differenceHandName = difference.Select(hand => hand.Name).OrderBy(name => name);
var result = HandDifferenceCalculator.Calculate(previous, next);
Assert.IsFalse(result.IncreasedDifference.Any());
Assert.IsTrue(
result.DecreasedDifference
.Select(hand => hand.Name)
.OrderBy(name => name)
.SequenceEqual(differenceHandName)
);
}
