private void createDataStore() {
    AttributesFactory af = new AttributesFactory();
    af.setDataPolicy(DataPolicy.PARTITION);
    af.setEvictionAttributes(createLRUEntryAttributes(ENTRIES_COUNT, OVERFLOW_TO_DISK));
    af.setPartitionAttributes(new PartitionAttributesFactory().create());

    getCache().createRegion(uniqueName, af.create());
  }
PR accessor configured for OverflowToDisk should not create a diskstore.

<p>
TRAC #42055: a pr accessor configured for OverflowToDisk fails during creation because of disk
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PRAccessorWithOverflowRegressionTest.java