The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 // Entering then exiting customization mode should reenable the Help and Exit buttons.

 add_task(function() {

   yield startCustomizing();

   let helpButton = document.getElementById("PanelUI-help");

   let quitButton = document.getElementById("PanelUI-quit");

   ok(helpButton.getAttribute("disabled") == "true", "Help button should be disabled while in customization mode.");

   ok(quitButton.getAttribute("disabled") == "true", "Quit button should be disabled while in customization mode.");

   yield endCustomizing();

   ok(!helpButton.hasAttribute("disabled"), "Help button should not be disabled.");

   ok(!quitButton.hasAttribute("disabled"), "Quit button should not be disabled.");

 });