anchor.diff:                    end},
          {admin_user, "_admin"},
          {admin_pass, binary_to_list(couch_uuids:random())},
  -       {bucket_engine, path_config:component_path(lib, "memcached/bucket_engine.so")},
          {engines,
           [{membase,
             [{engine, path_config:component_path(lib, "memcached/ep.so")},
  
positive.code:                                                        {audit_file, audit_file}]}}],
                   do_upgrade_config_from_3_0_99_to_4_0(Cfg, Default)).
  
  no_upgrade_on_current_version_test() ->
      ?assertEqual([], upgrade_config([[{{node, node(), config_version}, get_current_version()}]])).
  
  
negative.code: -define(NS_LOG, "ns_log").
  
  get_current_version() ->
      list_to_tuple(?WATSON_VERSION_NUM).
  
  ensure_data_dir() ->
      RawDir = path_config:component_path(data),
  