e2e-testing

Activate this skill when: Do NOT use this skill for: Naming conventions: Every page gets a page object class that encapsulates selectors and actions. Tests never interact with selectors directly. Base page object: Concrete page object: Rules for page objects: Priority order (highest to lowest): NEVER use: Adding data-testid attributes: NEVER use hardcoded waits: Use explicit wait conditions: Auto-waiting: Playwright auto-waits for elements to be actionable before clicking, filling, etc. Explicit waits are needed only for assertions or complex state transitions. Avoid logging in before every test. Save auth state and reuse it. Setup auth state once: Reuse in tests: Principles: API helpers for test data: Usage in tests: 1. Use trace viewer for failures: View trace: npx playwright show-trace trace.zip 2.