How do I write the JUnit for the following: public abstract class AbstractChessPiece implements ChessPiece { private int row; private int column; private Color color; protected AbstractChessPiece(int row, int column, Color color) { verifyRowandColumn(row, column); this.row = row; this.column = column; this.color = color; } public int getRow() { return this.row; } public int getColumn() { return this.column; } public Color getColor() { return this.color; } protected boolean isValid (int n) { return n >= 0 && n

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