protected SerializableRunnableIF createReplicatedRegionRunnable() {
    return () -> WANTestBase.createReplicatedRegion(getUniqueName() + "_RR", "ln", isOffHeap());
  }
this test is disabled due to a high rate of failure in unit test runs see ticket #52190
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationDUnitTest.java