Issue 7086 - Fix typo / linting error

test/synchronizer.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 496 matching lines @@
     test.equal(subscription.lastDownload * MILLIS_IN_SECOND, startTime + (26 + initialDelay) * MILLIS_IN_HOUR, "lastDownload after download error");
     test.equal(subscription.lastSuccess * MILLIS_IN_SECOND, startTime + initialDelay * MILLIS_IN_HOUR, "lastSuccess after download error");
     test.equal(subscription.lastCheck * MILLIS_IN_SECOND, startTime + (27 + initialDelay) * MILLIS_IN_HOUR, "lastCheck after download error");
     test.equal(subscription.errors, 2, "errors after download error");
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
 
 exports.testSpecialCommentOrdering = function(test)
 {
   let subscription = Subscription.fromURL("http://example.com/subscription");
-  FilterStorage.addSubscription(subscription);
+  filterStorage.addSubscription(subscription);
 
   this.registerHandler("/subscription", metadata =>
   {
     return [Cr.NS_OK, 200, "[Adblock]\n! Special Comment: x\n!foo\n! Title: foobar\nfoo\nbar"];
   });
 
   this.runScheduledTasks(1).then(() =>
   {
     test.equal(subscription.title, "http://example.com/subscription", "make sure title was not found");
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
 
 exports.testUnknownSpecialComments = function(test)
 {
   let subscription = Subscription.fromURL("http://example.com/subscription");
-  FilterStorage.addSubscription(subscription);
+  filterStorage.addSubscription(subscription);
 
   this.registerHandler("/subscription", metadata =>
   {
     // To test allowing unknown special comments like `! :`, `!!@#$%^&*() : `, and `! Some Unknown Comment : `
     return [Cr.NS_OK, 200, "[Adblock]\n! :\n! !@#$%^&*() :\n! Some Unknown Comment :\n! Title: foobar\nfoo\nbar"];
   });
 
   this.runScheduledTasks(1).then(() =>
   {
     test.equal(subscription.title, "foobar", "make sure title was found");
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };