https://pixel.wmcloud.org/ tool was created to alleviate UI regression testing for Echo project (see T302246: [GOAL] Leverage Automated Visual Regression Testing for more details). Leveraging the tool for Special:Search would ensure the consistency of user experience and the data reliability gathered by the page instrumentation.
What needs to be done:
- make https://github.com/nicholasray/pixel work for Special:Search page