[Webdriver][Error] Unable to start the server: Operation not permitted
 Failed to connect to webdriver process. Retrying in 100 ms

https://ci.chromium.org/ui/p/flutter/builders/try/Mac%20Engine%20Drone/953754/overview

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8744568593313052865/+/u/test:_run_suite_safari-dart2js-html-ui/stdout

@eyebrowsoffire suggests safaridriver --enable was not done on that bot. Is this something we need to request from the chromium team, or can the recipe do it?