public void TestCheckSquare_CheckNeighborCellIsFreeIfCellX4Y3IsNotFree_ReturnFalse()
{
BattleshipBoard board = new BattleshipBoard(10);
Ship ship = new Ship(4, 3, ShipTypes.CRUISER, Directions.UP);
board.AddShip(ship);
Assert.IsFalse(board.CheckSquare(3, 4, board));
}