Running WPT under CI: Problems and challenges, tips and tricks, and lessons learned

Happenings

W3C's Mike Smith holds a breakout session on tips and tricks of running the WPT test suite under CI.

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Event details

Date:
– Central European Summer Time
– UTC
Location:
A Coruña, Spain (hybrid event, register for free)
Speakers:
Mike Smith (sideshowbarker), W3C
Host:
Igalia
Category:
Testing
Website:
Web Engines Hackfest 2025

The aim of this session is bring together contributors from various browser-engine projects to discuss their experiences with running the WPT test suite — in full or in part — under CI. The goal of the session is for the participants to share their experiences: problems and challenges they’ve run into, lessons they’ve learned, and tips and tricks.

The scope includes (but is not limited to):

  • regularly running the WPT suite in order to produce data for https://wpt.fyi
  • running an (imported) subset of the WPT suite for project-specific regression testing

We’ll follow the “How to facilitate a breakout discussion” guidelines, and aim to make this a very interactive session.