Bug 1913180 - Request longer timeout for browser language dialog TV tests. r=settings-reviewers,Gijs

I'm not able to reproduce the error locally, but presumably it's due to occasional long delays encountered with Fluent formatting in chaos mode.

Differential Revision: https://phabricator.services.mozilla.com/D219633

browser/components/preferences/tests/browser_browser_languages_subdialog.js

@@ -1,6 +1,8 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
+requestLongerTimeout(2);
+
 const { AddonTestUtils } = ChromeUtils.importESModule(
   "resource://testing-common/AddonTestUtils.sys.mjs"
 );