protected SerializableRunnableIF createPartitionedRegionRunnable() {
    return () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100,
        isOffHeap());
  }
Enable persistence for the GatewaySender but not the region
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelWANPersistenceEnabledGatewaySenderDUnitTest.java