Explore Jest and Testing Library for effective code testing in this 16-minute conference talk from JSWORLD Conference USA. Learn about Ariane Jurado de Bilbao's personal recommendations for testing practices, including a hands-on demo showcasing how to arrange tests, execute functions, and implement various testing techniques. Gain insights into adding tests, mocking, snapshots, cleanup procedures, and working with user events. Discover practical tips for prioritizing tests and utilizing query methods to enhance your testing workflow.