https://integration.wikimedia.org/ci/view/Selenium/job/selenium-daily-betawikifunctions-WikiLambda/370/
Looks like it's unhappy with the change to the titles of pages.
For now, I've temporarily paused the job.
Ha, this got resolved weeks ago.
In T351676#9507612, @Jdforrester-WMF wrote: Ha, this got resolved weeks ago.
Ah! Okay seemed that way was just about to leave a comment on it!