Does Testng Run Tests in Parallel

TestNG allows the tests to run in parallel or concurrent mode. This means that based on the test suite configuration, different threads are started simultaneously and the test methods are executed in them.

What is TestNG parallel?

TestNG provides an ability to run test classes in parallel. By using parallel execution of classes, each class will be started and executed simultaneously in different threads. … We will create a Two classes with Two test methods each and try to execute in different threads.

How do you run parallel test cases in TestNG XML?

All the test cases inside <test> tag of Testing xml file will run parallel. All the methods with @Test annotation will execute parallel. Test cases in same instance will execute parallel but two methods of two different instances will run in different thread.