public void EnemyFactoryTest()
{
var enemyA = EnemyFactory.GetEnemyByType("Zombie");
enemyA.Stats.Life.Value = 20;
Assert.AreEqual(20, enemyA.Stats.Life.Value);
EnemyPool.Release(enemyA);
enemyA = EnemyFactory.GetEnemyByType("Zombie");
Assert.AreEqual(0, enemyA.Stats.Life.Value);
enemyA.Stats.Life.Value = 20;
var enemyB = EnemyFactory.GetEnemyByType("Zombie");
Assert.AreEqual(0, enemyB.Stats.Life.Value);
}