https://www.codeslog.com/en/tags/trace-viewer/ Recent content in Trace-Viewer on Codeslog https://www.codeslog.com/images/default-cover.png?v=20260114T1436 https://www.codeslog.com/images/default-cover.png?v=20260114T1436 Hugo -- 0.150.0 en-US Wed, 22 Jul 2026 01:30:00 +0900 https://www.codeslog.com/en/posts/frontend-testing-playwright-debug/ Wed, 22 Jul 2026 01:30:00 +0900 https://www.codeslog.com/en/posts/frontend-testing-playwright-debug/ What do you look at when a test fails only on CI? Playwright's trace viewer and debugging tools track the real cause — with evidence, not guesswork — and turn retries into a signal instead of a fix.