@RunWith(SWTBotJunit4ClassRunner.class)
public class SampleTest {
	private SWTWorkbenchBot bot;
	  @Test
	  public void selectSomeMenus() throws Exception {
		  SWTBotMenu m1 = bot.menu("Help");
		  SWTBotMenu m2 = m1.menu("About Eclipse");
		  m2.click();
		  Thread.sleep(5000);
	  }
	  @Before
	  public void setup() {
	    bot = new SWTWorkbenchBot();
	  }
}

SWTBotMenu m1 = bot.menu("Help");
SWTBotMenu m2 = m1.menu("About Eclipse"); /// this line gives error

  /**
   * Clicks the context menu matching the text.
   * 
   * @param text
   *          the text on the context menu.
   * @throws WidgetNotFoundException
   *           if the widget is not found.
   */
  public static void clickContextMenu(
      final SWTBotShell shell, final String... texts) {
    // fetch
    final MenuItem menuItem = getContextMenu(shell, texts);

    // click
    click(menuItem);

    // hide
    UIThreadRunnable.syncExec(new VoidResult() {
      public void run() {
        hide(menuItem.getParent());
      }
    });
  }

  private static MenuItem getContextMenu(
      final SWTBotShell shell, final String... texts) {
    final MenuItem menuItem = getContextMenuImpl(shell, texts);
    if (menuItem == null) {
      throw new WidgetNotFoundException("Could not find menu: " + computeMenuTrace(texts));
    }
    return menuItem;
  }

  private static MenuItem getContextMenuImpl(
      final SWTBotShell shell, final String... texts) {
    traceMenu(texts);

    // show
    final MenuItem menuItem = UIThreadRunnable
        .syncExec(new WidgetResult<MenuItem>() {
          public MenuItem run() {
            MenuItem menuItem = null;
            Menu menu = shell.widget.getMenuBar();
            for (String text : texts) {
              @SuppressWarnings("unchecked")
              Matcher<?> matcher = allOf(instanceOf(MenuItem.class),
                  withMnemonic(text));
              menuItem = show(menu, matcher);
              if (menuItem != null) {
                menu = menuItem.getMenu();
              } else {
                hide(menu);
                break;
              }
            }

            return menuItem;
          }
        });
    return menuItem;
  }

bot.menu("Help").menu("&About Eclipse").click();

    SWTBot bot = ...;
    SWTBotShell shell = bot .shells()[0].activate();
    SWTBotMenu menu = new SWTBotMenu(WorkbenchMenuHelper.getContextMenu(shell,
        "Project", "Clean..."));
    menu.click();
    swtBot.shell("Clean").activate();
    swtBot.button().click();
  }

SWTBotShell shell = bot .shells()[0].activate();

bot .shells();