public void GenerateTiles()
{
var tiles = new Chessboard(new MockRenderer()).GenerateTiles(8, 8);
Assert.Equal("A1", tiles[0, 0].GetId());
Assert.Equal("H8", tiles[7, 7].GetId());
Assert.Equal(8, tiles.GetLength(0));
Assert.Equal(8, tiles.GetLength(1));
}