playwright-testing

Reliable Playwright end-to-end tests use web-first assertions and auto-waiting to handle real load. By using resilient locators like getByRole and getByLabel, tests avoid manual waits and remain stable.

Debug Playwright test failures by leveraging the trace viewer and codegen to diagnose issues. Isolating state per BrowserContext ensures clean execution and helps pinpoint the exact failure point.

Playwright visual regression catches UI breakages in CI by taking screenshot comparisons during test runs. Integrating this with CI sharding and retries validates UI stability across changes.

Playwright supports API testing alongside browser automation using its request context. This allows you to validate backend responses within the same end-to-end test suite.

Using getByRole and getByLabel locators instead of brittle CSS or XPath selectors creates accessible, resilient test scripts. These accessible locators remain stable even when UI structure changes.

You isolate test state in Playwright by configuring a fresh BrowserContext for each test. This approach prevents cross-test contamination and ensures consistent validation.