Importance of Extensible Markup Language (XML) File in TestNG Configuration

The video tutorial introduces TestNG, highlighting its advantages over Java for managing multiple test cases within a single class. It explains the use of annotations to differentiate test cases and the creation of a TestNG XML file for organizing and running tests efficiently. The tutorial covers the structure of the XML file, including test suites and modules, and demonstrates how to execute tests using this configuration, emphasizing the benefits of automation and streamlined test management.

What steps would you take to create a TestNG XML file for your project?

Describe how you would organize test cases for different modules in a project.

What is the significance of the 'class' tag in a TestNG XML file?

How does TestNG handle the execution of test cases defined in multiple classes?