QA Testing (Playwright, Dec 2025) — Quick Reference

This skill enables high-signal, cost-aware E2E testing of web applications using Playwright.

Core references: Playwright best practices (https://playwright.dev/docs/best-practices), locators (https://playwright.dev/docs/locators), retries (https://playwright.dev/docs/test-retries), sharding (https://playwright.dev/docs/test-sharding), and the trace viewer (https://playwright.dev/docs/trace-viewer).

Core QA (Default)

Scope Control (What E2E Is For)

• E2E exists to protect critical user journeys and high-risk integrations.
• Keep E2E thin; push most coverage down to unit/integration/contract tests.
• Test the contract and user intent, not CSS structure.

Selector Strategy (Stability First)