public TicTacToeGameBoardTests()
 {
     Sut = new TicTacToeBoard();
 }
            public void ShouldWorkAgainstRealBoard()
            {
                var board = new TicTacToeBoard();
                NumberPicker.Pick(0, 0).ReturnsForAnyArgs(3);

                Sut.TakeTurn(board);

                var cells = board.Cells();
                cells[0, 2].Should().Be(TicTacToePiece.O);
            }