public void RemoveFog_Test() { //arrange Game _Game = new Game(); EnemyBattleField _EBF = _Game.EnemyBattleField; //act _EBF.RemoveFog(); int _InvisibleCellsQuantity = _EBF.Cells.Cast <Cell>().ToList(). Count(c => (c.IsInvisible == true)); Assert.AreEqual(_InvisibleCellsQuantity, 0); }