dataSource.setUrl("jdbc:mock:xxx");
dataSource.init();
Assert.assertTrue(dataSource.isMbeanRegistered());
dataSource.registerMbean();
Assert.assertTrue(dataSource.isMbeanRegistered());
dataSource.unregisterMbean();
Assert.assertFalse(dataSource.isMbeanRegistered());
Assert.assertFalse(dataSource.isMbeanRegistered());