public void GetNeighbors_returns_3_neighbors_for_corner_cells()
 {
     World world = new World(5, 5);
     Coordinate coordinate = world.GetCoordinate(0, 0);
     List<Cell> cells = world.GetNeighbors(coordinate);
     Assert.AreEqual(3, cells.Count);
 }
 public void GetNeighbors_returns_8_neighbors_for_non_edge_cells()
 {
     World world = new World(5, 5);
     Coordinate coordinate = world.GetCoordinate(2, 2);
     List<Cell> cells = world.GetNeighbors(coordinate);
     Assert.AreEqual(8, cells.Count);
 }