private void createPersistentPRThrowsIfLocalMaxMemoryIsZero(final String regionName,
      final boolean isPersistent) {
    String message = "Persistence is not allowed when local-max-memory is zero.";
    createPersistentPRThrows(regionName, 0, isPersistent, message);
  }
This tests persistence conflicts btw members of partition region
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionCreationDUnitTest.java