public void SaveLoad()
{
GameSessionHistory game = new GameSessionHistory();
game.GamesPlayed = Preferences.Get <int> (Preferences.MinPlayedGamesKey);
game.MemoryScore = 20;
history = new PlayerHistory();
history.ConfigPath = ".";
history.SaveGameSession(game);
history = new PlayerHistory();
history.ConfigPath = ".";
history.Load();
Assert.AreEqual(1, history.Games.Count);
Assert.AreEqual(20, history.Games[0].MemoryScore);
}