public void TestEffectRegenerationManaOnPlayer() { //GIVEN Player player = new Player(500, 5, 5, 5, 10, 20); player.CurrentMana = 10; int expected = 20; //then _regenerationEffect = new RegenerationEffect(RegenerationType.Mana, 10); _regenerationEffect.RegenerationMana(player); //when Assert.AreEqual(expected, player.CurrentMana); }