private void createPersistentPRThrowsIfDataPolicyConflict(final String regionName,
      final int localMaxMemory, final boolean isPersistent) {
    assertThat(localMaxMemory).isGreaterThan(0);
    String message = "DataPolicy for Datastore members should all be persistent or not.";
    createPersistentPRThrows(regionName, localMaxMemory, isPersistent, message);
  }
This tests persistence conflicts btw members of partition region
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionCreationDUnitTest.java