Bug 1661945 - Increase timeout for an intermittently timing out focus test. r=nika

Differential Revision: https://phabricator.services.mozilla.com/D88982

dom/events/test/test_focus_blur_on_click_in_cross_origin_iframe.html

@@ -8,6 +8,8 @@
 <script src="/tests/gfx/layers/apz/test/mochitest/apz_test_native_event_utils.js"></script>
 <iframe width=100></iframe>
 <script>
+SimpleTest.requestLongerTimeout(2);
+
 let state = "start";
 
 const utils = SpecialPowers.DOMWindowUtils;