public void OnSecretsChangedEvent()
        {
            var game = new MockGame
            {
                CurrentGameType = GameType.GT_RANKED,
                CurrentFormat   = Format.Wild
            };

            var callbackCount  = 0;
            var secretsManager = new SecretsManager(game, new MockArenaSettings());

            secretsManager.OnSecretsChanged += secrets => callbackCount += 1;

            var entity = new Entity(0);

            entity.SetTag(GameTag.SECRET, 1);
            entity.SetTag(GameTag.CLASS, (int)CardClass.PALADIN);
            secretsManager.NewSecret(entity);
            Assert.AreEqual(1, callbackCount);

            secretsManager.Toggle(Paladin.Avenge);
            Assert.AreEqual(2, callbackCount);

            secretsManager.Exclude(new List <MultiIdCard> {
                Paladin.CompetitiveSpirit, Paladin.GetawayKodo
            });
            Assert.AreEqual(3, callbackCount);

            secretsManager.Toggle(Paladin.Avenge);
            Assert.AreEqual(4, callbackCount);

            secretsManager.RemoveSecret(entity);
            Assert.AreEqual(5, callbackCount);

            secretsManager.Reset();
            Assert.AreEqual(6, callbackCount);
        }