private void createRegion(final String regionName, final String diskStoreName) {
    PartitionAttributesFactory<Integer, String> partitionAttributesFactory =
        new PartitionAttributesFactory<>();
    partitionAttributesFactory.setTotalNumBuckets(5);

    RegionFactory<Integer, String> regionFactory =
        getCache().createRegionFactory(PARTITION_PERSISTENT);
    regionFactory.setDiskStoreName(diskStoreName);
    regionFactory.setPartitionAttributes(partitionAttributesFactory.create());
    regionFactory.create(regionName);
  }
Verifies that a user deployed jar file is included as part of the backup.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/backup/IncrementalBackupIntegrationTest.java