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diff --git a/packages/menuitems/tests/test-menuitems.js b/packages/menuitems/tests/test-menuitems.js
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+++ b/packages/menuitems/tests/test-menuitems.js
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+/* 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/. */
+'use strict'
+
+const windowUtils = require("window-utils");
+const menuitems = require("menuitems");
+
+let window = windowUtils.activeBrowserWindow;
+let document = window.document;
+function $(id) document.getElementById(id);
+
+function createMI(options, test) {
+  test.assertEqual(!$(options.id), true);
+  var mi = new menuitems.Menuitem(options);
+  return mi;
+}
+
+exports.testMIDoesNotExist = function(test) {
+  var options = {
+    id: "test-mi-dne",
+    label: "test"
+  };
+  createMI(options, test);
+  test.assertEqual(!!$(options.id), false, 'menuitem does not exists');
+};
+
+exports.testMIDoesExist = function(test) {
+  var options = {
+    id: "test-mi-exists",
+    label: "test",
+    menuid: 'menu_FilePopup'
+  };
+  let mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.id, options.id, 'menuitem id is ok');
+  test.assertEqual(menuitem.getAttribute('label'), options.label, 'menuitem label is ok');
+  test.assertEqual(menuitem.parentNode.id, options.menuid, 'in the file menu');
+  test.assertEqual(menuitem.getAttribute('disabled'), 'false', 'menuitem not disabled');
+  test.assertEqual(menuitem.getAttribute('accesskey'), '', 'menuitem accesskey is ok');
+  test.assertEqual(menuitem.getAttribute('class'), '', 'menuitem class is ok');
+  test.assertEqual(menuitem.nextSibling, undefined, 'menuitem is last');
+  test.assertEqual(menuitem.hasAttribute("checked"), false, 'menuitem not checked');
+  mi.destroy();
+  test.assert(!$(options.id), 'menuitem is gone');
+  test.assertEqual(menuitem.parentNode, null, 'menuitem has no parent');
+};
+
+exports.testMIOnClick = function(test) {
+  test.waitUntilDone();
+
+  let options = {
+    id: "test-mi-onclick",
+    label: "test",
+    menuid: 'menu_FilePopup',
+    onCommand: function() {
+      mi.destroy();
+      test.pass('onCommand worked!');
+      test.done();
+    }
+  };
+
+  let e = document.createEvent("UIEvents");
+  e.initUIEvent("command", true, true, window, 1);
+
+  var mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  menuitem.dispatchEvent(e);
+};
+
+exports.testMIDisabled = function(test) {
+  test.waitUntilDone();
+
+  let commandIsOK = false;
+  let count = 0;
+  let options = {
+    id: "test-mi-disabled",
+    label: "test",
+    disabled: true,
+    menuid: 'menu_FilePopup',
+    onCommand: function() {
+      count++;
+      if (!commandIsOK) {
+        test.fail('onCommand was called, that is not ok');
+        return;
+      }
+
+      mi.destroy();
+      test.assertEqual(count, 1, 'onCommand was called the correct number of times!');
+      test.done();
+    }
+  };
+
+  let e = document.createEvent("UIEvents");
+  e.initUIEvent("command", true, true, window, 1);
+
+  var mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.getAttribute('disabled'), 'true', 'menuitem not disabled');
+  menuitem.dispatchEvent(e);
+  mi.disabled = false;
+  test.assertEqual(menuitem.getAttribute('disabled'), 'false', 'menuitem not disabled');
+  commandIsOK = true;
+  menuitem.dispatchEvent(e);
+};
+
+exports.testMIChecked = function(test) {
+  let options = {
+    id: "test-mi-checked",
+    label: "test",
+    disabled: true,
+    menuid: 'menu_FilePopup',
+    checked: true
+  };
+
+  let mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.getAttribute("checked"), "true", 'menuitem checked');
+  mi.checked = false;
+  test.assertEqual(menuitem.getAttribute("checked"), "false", 'menuitem checked');
+  mi.destroy();
+};
+
+exports.testMIClass = function(test) {
+  let options = {
+    id: "test-mi-class",
+    label: "pizazz",
+    className: "pizazz",
+    menuid: 'menu_FilePopup',
+  };
+
+  var mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.getAttribute('class'), 'pizazz', 'menuitem not disabled');
+  mi.destroy();
+};
+
+exports.testInsertBeforeExists = function(test) {
+  let options = {
+    id: 'test-mi-insertbefore',
+    label: 'insertbefore',
+    insertbefore:'menu_FileQuitItem',
+    menuid: 'menu_FilePopup',
+  };
+
+  var mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.nextSibling, $('menu_FileQuitItem'), 'menuitem not disabled');
+  mi.destroy();
+};
+
+exports.testInsertBeforeDoesNotExist = function(test) {
+  let options = {
+    id: 'test-mi-insertbefore',
+    label: 'insertbefore',
+    insertbefore:'menu_ZZZDNE',
+    menuid: 'menu_FilePopup',
+  };
+
+  var mi = createMI(options, test);
+  let menuitem = $(options.id);
+  test.assertEqual(!!menuitem, true, 'menuitem exists');
+  test.assertEqual(menuitem.nextSibling, null, 'menuitem not disabled');
+  mi.destroy();
+};