Bug 1525458 - Part 3: Work around bug 1529728 by disabling tracking annotations in flash blocking classifier tests; r=baku

Depends on D20875

Differential Revision: https://phabricator.services.mozilla.com/D20876

--HG--
extra : moz-landing-system : lando

toolkit/components/url-classifier/tests/browser/classifierTester.js

@@ -14,6 +14,7 @@ var classifierTester = {
   ASK_TO_ACTIVATE_PREF_VALUE: 1,
   ALWAYS_ACTIVATE_PREF_VALUE: 2,
   ALLOW_CTA_PREF: "plugins.click_to_play",
+  TRACKING_ANNOTATIONS_PREF: "privacy.trackingprotection.annotate_channels",
 
   dbUrls: [
     {
@@ -67,6 +68,8 @@ var classifierTester = {
     Services.prefs.setIntPref(classifierTester.FLASH_PLUGIN_USER_SETTING_PREF,
                               flashSetting);
     Services.prefs.setBoolPref(classifierTester.ALLOW_CTA_PREF, true);
+    // Work around bug 1529728
+    Services.prefs.setBoolPref(classifierTester.TRACKING_ANNOTATIONS_PREF, false);
   },
 
   unsetPrefs() {
@@ -78,6 +81,7 @@ var classifierTester = {
     Services.prefs.clearUserPref(classifierTester.FLASHBLOCK_ENABLE_PREF);
     Services.prefs.clearUserPref(classifierTester.FLASH_PLUGIN_USER_SETTING_PREF);
     Services.prefs.clearUserPref(classifierTester.ALLOW_CTA_PREF);
+    Services.prefs.clearUserPref(classifierTester.TRACKING_ANNOTATIONS_PREF);
   },
 
   // The |domains| property describes the domains of the nested documents making