@Override
  public final void postTearDownCacheTestCase() throws Exception {
    Invoke.invokeInEveryVM(new SerializableRunnable() {
      @Override
      public void run() {
        InternalResourceManager.setResourceObserver(null);
      }
    });
    InternalResourceManager.setResourceObserver(null);
  }
TODO: reenable this test and fix it when work on Dist TX resumes -- it fails with no members to
host buckets
geode-core/src/distributedTest/java/org/apache/geode/disttx/DistTXDebugDUnitTest.java