@Test
  public void distributedSystemMXBeanIsRegistered() {
    managerVM.invoke(() -> {
      assertThat(mbeanServer.isRegistered(getDistributedSystemName())).isTrue();
    });
  }
Distributed tests for {@link AlertingService} with {@link DistributedSystemMXBean} in the JMX
Manager.
geode-core/src/distributedTest/java/org/apache/geode/alerting/internal/api/AlertingServiceDistributedTest.java