@BeforeClass
  public static void setUpBeforeClass() throws Exception {
    util.getConfiguration().set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, "");
    util.getConfiguration().setInt(BulkLoadHFiles.MAX_FILES_PER_REGION_PER_FAMILY,
      MAX_FILES_PER_REGION_PER_FAMILY);
    util.getConfiguration().set(TRACKER_IMPL, StoreFileTrackerFactory.Trackers.FILE.name());
    // change default behavior so that tag values are returned with normal rpcs
    util.getConfiguration().set(HConstants.RPC_CODEC_CONF_KEY,
      KeyValueCodecWithTags.class.getCanonicalName());
    util.startMiniCluster();
    setupNamespace();
  }
Test cases for LoadIncrementalHFiles when SFT is enabled.
hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestBulkLoadHFilesSFT.java