@AfterClass
  public static void cleanupTest() throws Exception {
    try {
      UTIL.shutdownMiniCluster();
    } catch (Exception e) {
      LOG.warn("failure shutting down cluster", e);
    }
  }
Setup the config for the cluster
@throws Exception on failure
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotWithTTLFromClient.java