private void validatePR(final String regionName, final int count) {
    Cache cache = getCache();
    for (int i = 0; i < count; i++) {
      assertThat(cache.getRegion(regionName + i)).isNotNull();
    }
  }
This tests persistence conflicts btw members of partition region
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionCreationDUnitTest.java