Traces, Debugging, and Retries — Tracking Down the Cause
This is Part 14 of the “Frontend Testing, Done Right” series. Browse the full series · Glossary “Works on my machine, red on CI.” The homework of everyone who operates E2E, and the prime cause of console.log wallpaper. Playwright ships three tools that solve this mystery with evidence: traces that rewind the failure whole, a UI mode that time-travels, and retries used as a signal. We pack all three today. Series readers: this is insurance for the day your E2E breaks. Searchers: this is the emergency kit for the test that’s broken right now. Examples are self-contained. ...