소개
Empower your development workflow with standardized testing patterns for React applications using Jest and React Testing Library. This skill provides a deep dive into the philosophy of testing user behavior over implementation details, offering production-ready configurations for both JavaScript and TypeScript projects. It covers critical areas such as accessibility-first queries, complex form testing, sophisticated mocking with Mock Service Worker (MSW), and asynchronous patterns, ensuring your test suite is resilient to refactors and provides high confidence in application stability.