* This is for covering a case where the ServiceManager would behave strangely if constructed with
   * no service under management. Listeners would never fire because the ServiceManager was healthy
   * and stopped at the same time. This test ensures that listeners fire and isHealthy makes sense.
   */
  public void testEmptyServiceManager() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());
    logger.setLevel(Level.FINEST);

   * This is for covering a case where the ServiceManager would behave strangely if constructed with
   * no service under management. Listeners would never fire because the ServiceManager was healthy
   * and stopped at the same time. This test ensures that listeners fire and isHealthy makes sense.
   */
  public void testEmptyServiceManager() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());
    logger.setLevel(Level.FINEST);