private void startAsyncQueues() {
    for (final AsyncEventQueue aeq : getAsyncEventQueues()) {
      GatewaySender sender = ((InternalAsyncEventQueue) aeq).getSender();
      assertThat(sender.isRunning()).isFalse();
      sender.start();
      assertThat(sender.isRunning()).isTrue();
    }
  }
Override as needed to add to the configuration, such as regionFactory.setOffHeap(boolean).
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/wan/asyncqueue/ParallelSerialAsyncEventListenerStopStartDistributedTest.java