protected SerializableRunnableIF waitForSenderRunnable() {
    return () -> WANTestBase.waitForSenderRunningState("ln");
  }
Enable persistence for GatewaySender. Pause the sender and do some puts in local region. Close
the local site and rebuild the region and sender from disk store. Dispatcher should not start
dispatching events recovered from persistent sender. Check if the remote site receives all the
events.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelWANPersistenceEnabledGatewaySenderDUnitTest.java