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Discover 5 common test coverage mistakes that create a false sense of security and let bugs slip through. Learn how to write tests that actually catch issues.

Learn how Mock Service Worker (MSW) lets you mock APIs at the network level for testing and development—no backend required. Includes practical examples and real-world patterns.

Practical Playwright testing strategies I learned the hard way — from authentication flows to CI/CD integration, with real code examples that actually work in production.