public void CellInitializes()
{
Cell cell = new Cell();
Assert.IsNotNull(cell);
}
public void CellHasOccupied()
{
Cell cell = new Cell();
cell.Occupy(new Enemy(10, 4, "basic", 4, new Rectangle(1, 1, 1, 1)));
Assert.IsTrue(cell.isOccupied());
}