anchor.diff:                    {set, {node, _, memcached_config}, new_memcached_config}],
                    do_upgrade_config_from_4_5_to_5_0(Cfg, Default)).
   
  +upgrade_5_0_to_vulcan_test() ->
  +    Default = [{{node, node(), memcached_config}, new_memcached_config}],
  +    ?assertMatch([{set, {node, _, memcached_config}, new_memcached_config}],
  +                 do_upgrade_config_from_5_0_to_vulcan(Default)).
  +
   no_upgrade_on_current_version_test() ->
       ?assertEqual([], upgrade_config([[{{node, node(), config_version}, get_current_version()}]])).
   
  
positive.code:     [upgrade_sub_keys(memcached, [rbac_file], Config, DefaultConfig),
       upgrade_key(memcached_defaults, DefaultConfig),
       upgrade_key(memcached_config, DefaultConfig)].
  
  encrypt_config_val(Val) ->
      {ok, Encrypted} = encryption_service:encrypt(term_to_binary(Val)),
  
negative.code:         {audit_file, {"~s", [audit_file]}},
          {rbac_file, {"~s", [rbac_file]}},
          {dedupe_nmvb_maps, dedupe_nmvb_maps},
          {xattr_enabled, {memcached_config_mgr, is_enabled, [?VERSION_50]}},
  
          {logger,
           {[{filename, {"~s/~s", [log_path, log_prefix]}},
             {cyclesize, log_cyclesize},
             {sleeptime, log_sleeptime}]}}
         ]}},
  
       {memory_quota, KvQuota},
  