[menubar-invoke-menulist.html]
  [Menu elements are HTML elements.]
    expected: FAIL

  [Menuitem with toggle-popover, show-popover, hide-popover commands can invoke menulist popover.]
    expected: FAIL

  [Menuitem with toggle-menu, show-menu, hide-menu commands can invoke menulist popover.]
    expected: FAIL

  [hidePopover() on menulist closes the popover.]
    expected: FAIL

  [menuitems that invoke menulists cannot be checkable]
    expected: FAIL