@Override
      public void run() {
        DistributedLockService service2 = DistributedLockService.create(serviceName, dlstSystem);
        service2.lock("key", -1, -1);
        service2.unlock("key");
        // Wait for asynchronous messaging to complete
        try {
          Thread.sleep(100);
        } catch (InterruptedException ex) {
          fail("interrupted");
        }
        disconnectFromDS();
      }
Tests what happens when you attempt to lock a name on a lock service that has been destroyed.

@author David Whitlock
geode-core/src/distributedTest/java/org/apache/geode/distributed/DistributedLockServiceDUnitTest.java