@Override
      public void run() {
        ManagementService service = ManagementService.getManagementService(cache);
        GatewaySenderMXBean bean = service.getLocalGatewaySenderMXBean("pn");
        bean.start();
        assertThat(bean.isRunning()).isTrue();
      }
start a gateway sender

@param vm reference to VM
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/WANTestBase.java