@Test
  public void testSingleVMLockUnlock() throws CacheException {
    String name = getUniqueName() + "-GLOBAL";
    Region region = getOrCreateRootRegion().createSubregion(name, getGlobalAttrs());

    Lock lock = region.getDistributedLock("obj");
    lock.lock();
    lock.unlock();
  }
Tests for 32356 R2 tryLock w/ 0 timeout broken in Distributed Lock Service
geode-core/src/distributedTest/java/org/apache/geode/cache30/GlobalLockingDUnitTest.java