@Override
        public VisibilityLabelsResponse run() throws Exception {
          String[] labels = { SECRET, TOPSECRET, CONFIDENTIAL, PUBLIC, PRIVATE };
          try (Connection conn = ConnectionFactory.createConnection(conf)) {
            VisibilityClient.addLabels(conn, labels);
            LOG.info("Added labels ");
          } catch (Throwable t) {
            LOG.error("Error in adding labels", t);
            throw new IOException(t);
          }
          return null;
        }
Force use of combiner in doMROnTableTest. Boolean. Default is true.
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTSVWithVisibilityLabels.java