I am getting fails on the first 3 tests of validation. Anyone know why?
package com.codegym.task.task32.task3209.listeners;

import com.codegym.task.task32.task3209.View;

import javax.swing.*;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;

public class UndoMenuListener implements MenuListener {
    View view;
    JMenuItem undoMenuItem;
    JMenuItem redoMenuItem;

    public UndoMenuListener(View view, JMenuItem undoMenuItem, JMenuItem redoMenuItem) {
        this.view = view;
        this.undoMenuItem = undoMenuItem;
        this.redoMenuItem = redoMenuItem;

    public void menuSelected(MenuEvent e) {

    public void menuDeselected(MenuEvent e) {


    public void menuCanceled(MenuEvent e) {