Issue 3381 - notification unit tests are broken

lib/notification.js

Index: lib/notification.js
===================================================================
--- a/lib/notification.js
+++ b/lib/notification.js
@@ -21,23 +21,23 @@
 
 Cu.import("resource://gre/modules/Services.jsm");
 
-let {Prefs} = require("prefs");
-let {Downloader, Downloadable, MILLIS_IN_MINUTE, MILLIS_IN_HOUR, MILLIS_IN_DAY} = require("downloader");
-let {Utils} = require("utils");
-let {Matcher, defaultMatcher} = require("matcher");
-let {Filter, RegExpFilter, WhitelistFilter} = require("filterClasses");
+var {Prefs} = require("prefs");
+var {Downloader, Downloadable, MILLIS_IN_MINUTE, MILLIS_IN_HOUR, MILLIS_IN_DAY} = require("downloader");
+var {Utils} = require("utils");
+var {Matcher, defaultMatcher} = require("matcher");
+var {Filter, RegExpFilter, WhitelistFilter} = require("filterClasses");
 
-let INITIAL_DELAY = 1 * MILLIS_IN_MINUTE;
-let CHECK_INTERVAL = 1 * MILLIS_IN_HOUR;
-let EXPIRATION_INTERVAL = 1 * MILLIS_IN_DAY;
-let TYPE = {
+var INITIAL_DELAY = 1 * MILLIS_IN_MINUTE;
+var CHECK_INTERVAL = 1 * MILLIS_IN_HOUR;
+var EXPIRATION_INTERVAL = 1 * MILLIS_IN_DAY;
+var TYPE = {
   information: 0,
   question: 1,
   critical: 2
 };
 
-let showListeners = [];
-let questionListeners = {};
+var showListeners = [];
+var questionListeners = {};
 
 function getNumericalSeverity(notification)
 {
@@ -67,14 +67,14 @@
  * The object providing actual downloading functionality.
  * @type Downloader
  */
-let downloader = null;
-let localData = [];
+var downloader = null;
+var localData = [];
 
 /**
  * Regularly fetches notifications and decides which to show.
  * @class
  */
-let Notification = exports.Notification =
+var Notification = exports.Notification =
 {
   /**
    * Called on module startup.