Dive into a comprehensive 4-hour tutorial on JUnit for Selenium automation testing. Master the JUnit testing framework, covering its advantages, setup, execution, and migration from JUnit 4 to 5. Explore essential concepts including annotations, assertions, parameterized tests, and parallel testing. Learn to implement cross-browser testing and geolocation testing using JUnit with LambdaTest. Gain practical knowledge on applying the Page Object Model in JUnit for efficient test organization. Perfect for beginners, this in-depth guide equips you with the skills to effectively utilize JUnit in your Selenium automation projects.