How to execute only failed TestNG tests in Eclipse

While running testNG suite, once we are done with one round of execution of tests in the test suite, It can be helpful to execute only the failed tests during the first round of execution to reduce test failures due to flakiness/synchronization issues.

Below steps shows how to achieve this in eclipse.

• Run the required test suite through eclipse as shown below.

• Once the execution is completed and there are failures in the execution, we may require to rerun the tests.

• Refresh the project. folder test-output should be displayed in the project explorer.

• File testng-failed.xml should be available in the folder.

• Run the test suite in similar manner as shown above, i.e Run As TestNG suite.