@Test
  public void createdPartitionedSubregionIsEmptyAfterDestroyParentRegion() {
    destroyChildRegion(vm0);
    validatePartitionedSubregionDoesNotExist(vm0);
    createChildRegion(vm0);
    createPartitionedSubregion(vm0);
    validateBucketsAreGone(vm0);
  }
Verifies that destroyRegion, localDestroyRegion and close work properly when PartitionedRegion is
a subregion.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionAsSubregionDUnitTest.java