anchor.diff:  -export([ to_json_test/1
           , add_definition_test/1
           , add_definition_array_test/1
  +        , schema_test/1
           ]).
   
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
positive.code: -spec add_definition_test(Config::cowboy_swagger_test_utils:config()) ->
    {comment, string()}.
  add_definition_test(_Config) ->
    %%
    %% Given
    %%
  
negative.code:        }
     }.
  
  %% @private
  test_properties_two() ->
    #{ <<"brand">> =>
        #{ type => <<"string">>
  