private void validatePossibleDuplicateEvents(int numEvents) {
    PossibleDuplicateAsyncEventListener listener = getPossibleDuplicateAsyncEventListener();

    // Verify all events were processed
    assertThat(listener.getTotalEvents()).isEqualTo(numEvents);

    // Verify all events are possibleDuplicate
    assertThat(listener.getTotalPossibleDuplicateEvents()).isEqualTo(numEvents);
  }
Added for defect #50364 Can't colocate region that has AEQ with a region that does not have
that same AEQ

TRAC #50364:
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/wan/asyncqueue/ParallelAsyncEventListenerDistributedTest.java