Include all unit test in one Java class

public class AllTests

{

 

      public static Test suite()

      {

 

            TestSuite suite = new TestSuite();

 

            suite.addTest(new TestSuite(ItemTest.class)); //this is 3.8.1 style, for 4.0 style, please see attachement

            suite.addTest(new TestSuite(AuditTest.class));

            suite.addTest(new TestSuite(CategoryItemTest.class));

 

            return suite;

      }

 

      public static void main(String args[])

      {

            TestRunner.run(suite());

      }

}