@AfterClass
  public static void tearDown() throws IOException {
    if (miniHS2 != null) {
      miniHS2.stop();
    }
    if (zkCluster != null) {
      zkCluster.shutdown();
    }
  }
Test restricted information schema with privilege synchronization
itests/hive-unit/src/test/java/org/apache/hive/service/server/InformationSchemaWithPrivilegeTestBase.java