anchor.diff:      ;   {value, {K, V}} -> {some, V}
       end.
   
  -group_hueniverse_guide() ->
  +spec_for_case_group_hueniverse_guide() ->
       Tests =
           [ t_hueniverse_guide_key
           , t_hueniverse_guide_base_string
           , t_hueniverse_guide_digest
           ],
       Properties = [],
  -    {?GROUP_HUENIVERSE_GUIDE, Properties, Tests}.
  +    {?CASE_GROUP_HUENIVERSE_GUIDE, Properties, Tests}.
  
positive.code: %%=============================================================================
  
  all() ->
      [{group, ?GROUP_HUENIVERSE_GUIDE}].
  
  groups() ->
      [ group_hueniverse_guide()
      ].
  
  init_per_suite(Config) ->
  
negative.code:     Sig = oauth1_signature:cons(SigArgs),
      orddict:store(?STATE_KEY_SIG, Sig, Config).
  
  end_per_group(?CASE_GROUP_HUENIVERSE_GUIDE, _Config) ->
      ok.
  
  
  