selenium-daily-betacommons-MediaWiki Jenkins job fails since build #297 (2020-04-24) with
... [0-1] RUNNING in chrome - /tests/selenium/specs/page.js [0-1] [01:22:36] [E] [MWBOT] Login failed: Selenium user@https://commons.wikimedia.beta.wmflabs.org/w [0-1] Error in "Page "before all" hook for "should be previewable"" Could not login: Failed [0-1] FAILED in chrome - /tests/selenium/specs/page.js ... [0-5] RUNNING in chrome - /tests/selenium/specs/user.js [0-5] [01:22:43] [E] [MWBOT] Login failed: Selenium user@https://commons.wikimedia.beta.wmflabs.org/w [0-5] Error in "User "before all" hook for "should be able to create account"" Could not login: Failed [0-5] FAILED in chrome - /tests/selenium/specs/user.js ...
A similar job, selenium-daily-beta-MediaWiki, targeting en.wikipedia.beta.wmflabs.org (instead of commons.wikimedia.beta.wmflabs.org) passes.