@Override
  public void setAuthenticator(HiveAuthenticationProvider authenticator) {
    this.authenticator = authenticator;
  }
Dummy implementation for use by unit tests. Tracks the context of calls made to
its authorize functions in {@link AuthCallContext}
itests/util/src/main/java/org/apache/hadoop/hive/ql/security/DummyHiveMetastoreAuthorizationProvider.java