@Override
    public void run() {
      String prName = "PartitionedRegionCreationJUnitTest_" + getPRNumber();
      try {
        Region region = PartitionedRegionTestHelper.createPartionedRegion(prName);
        PRRegionList.add(region);
        updatePRCreate();
      } catch (RegionExistsException rex) {
        updatePRCreateFail();
      }

      updateTotalReturns();
    }
Thread to create the partitioned region.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/PartitionedRegionCreationJUnitTest.java