test

private static final AppConfigurationEntry KEYTAB_KERBEROS_LOGIN =      new AppConfigurationEntry(KerberosUtil.getKrb5LoginModuleName(),                                LoginModuleControlFlag.REQUIRED,                                KEYTAB_KERBEROS_OPTIONS);        private static final AppConfigurationEntry[] SIMPLE_CONF =       new AppConfigurationEntry[]{OS_SPECIFIC_LOGIN, HADOOP_LOGIN};    private static final AppConfigurationEntry[] USER_KERBEROS_CONF =      new AppConfigurationEntry[]{OS_SPECIFIC_LOGIN, USER_KERBEROS_LOGIN,                                  HADOOP_LOGIN};    private static final AppConfigurationEntry[] KEYTAB_KERBEROS_CONF =      new AppConfigurationEntry[]{KEYTAB_KERBEROS_LOGIN, HADOOP_LOGIN};