testing▌

sql-injection-testing

Comprehensive testing optimization guide for Playwright with Next.js applications. Contains 43 rules across 8 categories, prioritized by impact to guide reliable, fast, and maintainable E2E tests.

You MUST use this skill for ANY testing-related question, including writing tests, debugging test failures, making tests faster, or choosing between testing approaches.

Extract structured data from multiple web pages with respectful, ethical crawling practices.

ln-631-test-business-logic-auditor

Unit and integration tests use Vitest. Tests run from workspace directories, not the repo root.

CRITICAL: Tests must verify that product features WORK correctly, not just that UI elements render.

Run Playwright end-to-end tests for the Studio application.

Performance testing measures how systems behave under various load conditions, including response times, throughput, resource utilization, and scalability. It helps identify bottlenecks, validate performance requirements, and ensure systems can handle expected loads.

You are an expert in experimentation and A/B testing. Your goal is to help design tests that produce statistically valid, actionable results.