@Test
  public void testSyncTableFromSourceToPeerClusterWithClusterKey() throws Exception {
    testSyncTable(UTIL2, UTIL1, "--sourcezkcluster=" + UTIL2.getClusterKey(),
      "--targetzkcluster=" + UTIL1.getClusterKey());
  }
Basic test for the SyncTable M/R tool
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestSyncTable.java