public static void Solve_Handles7StoneGame()
 {
     Assert.That(GameOfStones.Solve(7), Is.EqualTo(PlayerType.Second));
 }
 public static void Solve_Handles10StoneGame()
 {
     Assert.That(GameOfStones.Solve(10), Is.EqualTo(PlayerType.First));
 }
 public static void Solve_BasicExample_ReturnsExpected()
 {
     Assert.That(GameOfStones.Solve(1), Is.EqualTo(PlayerType.Second));
 }