Map<K, V> getEventsMap() {
      assertThat(eventsMap).isNotNull();
      return eventsMap;
    }
Test configuration::

Region: Partitioned WAN: Serial Region persistence enabled: false Async channel persistence
enabled: true

No VM is restarted.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/wan/asyncqueue/AsyncEventListenerDistributedTest.java