Explore advanced techniques for testing Spring Boot applications in this comprehensive conference talk from Spring I/O 2016. Learn how to effectively unit test classes, implement mocking, test persistence layers, validate remote REST calls, and assess MVC controllers. Discover strategies for structuring applications to enhance testability and leverage new features in Spring Boot 1.4 for simplified testing. Dive into topics such as integration testing, configuration management, and upgrading to Spring Boot. Master the use of annotations, web environments, and auto-configuration in testing scenarios. Gain insights on best practices for naming conventions, constructor injection, and exception handling. Explore practical examples using tools like Mockito, DataJPA, and REST templates. Enhance your understanding of mock beans, JSON test setups, and web MVC annotations to create robust and reliable tests for your Spring Boot applications.