private void doCreateOtherVm() {
    VM vm = getOtherVm();
    vm.invoke(new CacheSerializableRunnable("create root") {
      @Override
      public void run2() throws CacheException {
        AttributesFactory af = new AttributesFactory();
        af.setDataPolicy(DataPolicy.REPLICATE);
        af.setScope(Scope.DISTRIBUTED_ACK);
        createRootRegion("ProxyDUnitTest", af.create());
      }
    });
  }
Make sure that operations are distributed and done in regions remote from a PROXY

@since GemFire 5.0
geode-core/src/distributedTest/java/org/apache/geode/cache30/ProxyDUnitTest.java