Discover strategies to optimize your test suite's performance in this RailsConf 2022 talk. Learn how to identify and reduce excessive database calls, profile and fix performance hot spots, and create visual diagrams for better understanding. Explore techniques to write query-resistant code, avoid persisting unnecessary data, and streamline shared test setups. Gain insights into improving factory designs, minimizing data creation, and implementing effective debugging methods. Master the art of balancing the testing pyramid and crafting minimal, extensible factories with traits. Equip yourself with the knowledge to significantly reduce build times and enhance overall test suite efficiency.