Issue 2270 - First run of the synchronizer unit test fails

chrome/content/tests/synchronizer.js

 (function()
 {
   let testRunner = null;
   let requestHandlers = null;
   let randomResult = 0.5;
 
   module("Synchronizer", {
     setup: function()
     {
       testRunner = this;
 
       prepareFilterComponents.call(this);
       preparePrefs.call(this);
+
+      Synchronizer.init();
+
       setupVirtualTime.call(this, function(wrapTimer)
       {
         let SynchronizerModule = getModuleGlobal("synchronizer");
         SynchronizerModule.downloader._timer = wrapTimer(SynchronizerModule.downloader._timer);
       }, "synchronizer", "downloader");
       setupVirtualXMLHttp.call(this, "synchronizer", "downloader");
 
       // Replace Math.random() function
       let DownloaderGlobal = Cu.getGlobalForObject(getModuleGlobal("downloader"));
       this._origRandom = DownloaderGlobal.Math.random;
@@ skipping 486 matching lines @@
 
     testRunner.runScheduledTasks(24);
 
     equal(subscription.downloadStatus, "synchronize_connection_error", "downloadStatus after download error");
     equal(subscription.lastDownload * MILLIS_IN_SECOND, startTime + 26.1 * MILLIS_IN_HOUR, "lastDownload after download error");
     equal(subscription.lastSuccess * MILLIS_IN_SECOND, startTime + 0.1 * MILLIS_IN_HOUR, "lastSuccess after download error");
     equal(subscription.lastCheck * MILLIS_IN_SECOND, startTime + 27.1 * MILLIS_IN_HOUR, "lastCheck after download error");
     equal(subscription.errors, 2, "errors after download error");
   });
 })();