The search script works fine for Chrome but for Firefox, the wrong domain is reported (Google) and the screenshot is broken:
Also all video metrics are 0.
Here's an example run:
http://synthetic-tests-result-wikimedia.s3-website-us-east-1.amazonaws.com/search_googleObama_js/2019-10-13-10-19-22/pages/www.google.com/search/query-e87c8ae8/index.html