@AfterClass
  public static void tearDownAfterClass() throws Exception {
    TEST_UTIL.shutdownMiniCluster();
  }
Separated from {@link TestSnapshotScannerHDFSAclController}. Uses facility from that class.
@see TestSnapshotScannerHDFSAclController
hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestSnapshotScannerHDFSAclController2.java