public void Using()
        {
            var bonus = new ThunderSkillBonus(new Vector(5, 5), 1);
            var game  = new Game();

            bonus.Use(game);
            Assert.True(game.Skill is ThunderSkill);
        }
 public void Creation()
 {
     var bonus = new ThunderSkillBonus(new Vector(5, 5), 1);
 }