anchor.diff:  
   maybe_scenario_settings(Status, Scenario)->
       case scenario_settings(Status, Scenario) of
  -        []->[];
  +        [] -> [];
           Settings ->
               FormattedSettings = [{format(K), format(V)} || {K, V} <- Settings],
               [{<<"settings">>, FormattedSettings}]
  
positive.code:     {ok, ConfigMap} = amoc_config_scenario:get_default_configuration(Scenario),
      [{Name, maps:to_list(Info)} || {Name, Info} <- maps:to_list(ConfigMap)].
  
      -spec get_scenario(binary()) -> {ok, amoc:scenario()} | doesnt_exist.
  get_scenario(ScenarioName) ->
      try
          {ok, binary_to_existing_atom(ScenarioName, utf8)}
  
negative.code: 
  maybe_scenario_params(Scenario)->
      case scenario_parameters(Scenario) of
          [] -> [];
          Parameters ->
              FormattedParameters = [{format(K), format_kv_list(V)}
                                     || {K, V} <- Parameters],
  