@Category({WanTest.class})
  @Test
  public void testParallelPropagationWithOverflow() {
    Integer lnPort = vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId(1));
    Integer nyPort = vm1.invoke(() -> WANTestBase.createFirstRemoteLocator(2, lnPort));

    createCacheInVMs(nyPort, vm2, vm3);
    vm2.invoke(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), null, 1, 100, isOffHeap()));
    vm3.invoke(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), null, 1, 100, isOffHeap()));
    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(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100, isOffHeap()));
    vm5.invoke(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100, isOffHeap()));
    vm6.invoke(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100, isOffHeap()));
    vm7.invoke(
        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100, isOffHeap()));

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

    // let all the senders start before doing any puts to ensure that none of the events is lost
    vm4.invoke(waitForSenderRunnable());
    vm5.invoke(waitForSenderRunnable());
    vm6.invoke(waitForSenderRunnable());
    vm7.invoke(waitForSenderRunnable());

    vm4.invoke(() -> WANTestBase.doHeavyPuts(getTestMethodName(), 150));

    // 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(), 150));
  }
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