public class InstallMBeantest {
@Test
public void test() throws Exception {
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
Packages pack = new Packages(null);
ObjectName oName = new ObjectName("org.apache.karaf:type=package,name=root");
server.registerMBean(pack, oName);
server.unregisterMBean(oName);
}