05/12/2019 · When Eclipse prompts you for a restart, click "Restart now." Step 9 After the restart, verify if TestNG was indeed successfully installed. Click Window > Show View > Other. Using Eclipse The easiest way to convert your JUnit tests to TestNG is to use the Eclipse TestNG plug-in refactoring support. You will find a full description of its features in the Eclipse section. Asserts Note that the class org.testng.Assert uses a different argument ordering than the ones used by JUnit. We are going to use the Eclipse plugin. Follow the steps described on the official TestNG documentation over here. If you installed TestNG correctly, you will see this menu when you right click on the XML file: Click on “Run as TestNG Suite” and your test will start running. You will then see this nice results tree: Thinking about the future.