@Test
  public void testParallelPropagationWithPutAll() {

    Integer lnPort = vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId(1));
    Integer nyPort = vm1.invoke(() -> WANTestBase.createFirstRemoteLocator(2, lnPort));

    createCacheInVMs(nyPort, vm2, vm3);
    createReceiverInVMs(vm2, vm3);
    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);

    vm4.invoke(() -> WANTestBase.createSender("ln", 2, true, 100, 10, false, false, null, true));
    vm5.invoke(() -> WANTestBase.createSender("ln", 2, true, 100, 10, false, false, null, true));
    vm6.invoke(() -> WANTestBase.createSender("ln", 2, true, 100, 10, false, false, null, true));
    vm7.invoke(() -> WANTestBase.createSender("ln", 2, true, 100, 10, false, false, null, true));

    vm4.invoke(createPartitionedRegionRunnable("ln", 1));
    vm5.invoke(createPartitionedRegionRunnable("ln", 1));
    vm6.invoke(createPartitionedRegionRunnable("ln", 1));
    vm7.invoke(createPartitionedRegionRunnable("ln", 1));

    startSenderInVMs("ln", vm4, vm5, vm6, vm7);

    vm2.invoke(createReceiverPartitionedRegionRedundancy1());
    vm3.invoke(createReceiverPartitionedRegionRedundancy1());

    // before doing any puts, let the senders be running in order to ensure that
    // not a single event will be lost
    vm4.invoke(waitForSenderRunnable());
    vm5.invoke(waitForSenderRunnable());
    vm6.invoke(waitForSenderRunnable());
    vm7.invoke(waitForSenderRunnable());

    vm4.invoke(() -> WANTestBase.doPutAll(getTestMethodName() + "_PR", 100, 50));

    // verify all buckets drained on all sender nodes.
    vm4.invoke(() -> WANTestBase.validateParallelSenderQueueAllBucketsDrained("ln"));
    vm5.invoke(() -> WANTestBase.validateParallelSenderQueueAllBucketsDrained("ln"));
    vm6.invoke(() -> WANTestBase.validateParallelSenderQueueAllBucketsDrained("ln"));
    vm7.invoke(() -> WANTestBase.validateParallelSenderQueueAllBucketsDrained("ln"));

    vm2.invoke(() -> WANTestBase.validateRegionSize(getTestMethodName() + "_PR", 5000));

  }
Create colocated partitioned regions. Parent region has PGS attached and child region doesn't.

Validate that events for parent region reaches remote site.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelWANPropagationDUnitTest.java