As you have probably seen, my new course on JUnit 5 is now available at Test Automation University. It’s an introduction to all the amazing features of this framework that you can use in your automated tests, with, of course, plenty of examples.
Have you seen my article on using Spring for managing test environments in automated tests?
Read all about how to configure your test environment specific data in property files with Spring, to help run your automated TestNG and JUnit tests on any test environment you need: https://blog.testproject.io/2021/02/09/using-spring-to-switch-environments-in-automated-tests/. Enjoy.