@Test
  public void testRecreateCluster_UserTableEnabled_CleanupZNodes() throws Exception {
    // this is no longer failing because master region stores the information the region servers
    // as long as it's gracefully flushed before shutdown
    validateRecreateClusterWithUserTableEnabled(false, true);
  }
Test reuse storefiles within data directory when cluster failover with a set of new region
servers with different hostnames with or without WALs and Zookeeper ZNodes, the master and
cluster should fail respectively if there is any situation considered as not supported.
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRecreateCluster.java