anchor.diff:      StopApp = fun (App) -> ok = application:stop(App) end,
       ok = lists:foreach(StopApp, lists:reverse(?APP_DEPS)).
   
  -init_per_group(?GROUP_HUENIVERSE_GUIDE, Config) ->
  +init_per_group(?CASE_GROUP_HUENIVERSE_GUIDE, Config) ->
       % Test case based on:
       % https://web.archive.org/web/20131222062830/http://nouncer.com/oauth/signature.html
       Realm = <<"http://photos.example.net/photos">>,
  
positive.code: %%=============================================================================
  
  all() ->
      [{group, ?GROUP_HUENIVERSE_GUIDE}].
  
  groups() ->
      [ group_hueniverse_guide()
      ].
  
  init_per_suite(Config) ->
  
negative.code:     ;   {value, {K, V}} -> {some, V}
      end.
  
  spec_for_case_group_hueniverse_guide() ->
      Tests =
          [ t_hueniverse_guide_key
          , t_hueniverse_guide_base_string
          , t_hueniverse_guide_digest
          ],
      Properties = [],
      {?CASE_GROUP_HUENIVERSE_GUIDE, Properties, Tests}.
  