public void CheckTennisGame4()
        {
            var context = new ScoreContextForTwoPlayers();

            context.GameState = new GameStarted(context);
            var game = new TennisGame4(context);

            CheckAllScores(game);
        }
        public void CheckGame4()
        {
            var context = new ScoreContextForTwoPlayers();

            context.GameState = new GameStarted(context);
            var game = new TennisGame4(context);

            RealisticTennisGame(game);
        }