anchor.diff:  
   post_scenarios_returns_400_when_malformed_request(_Config) ->
       %% given
  -    URL = get_url() ++ "/scenarios",
  -    RequestBody = jsx:encode([{keyname_typo, sample_test}]),
  +    URL = get_url() ++ ?SCENARIOS_URL_S,
  +    RequestBody = jsx:encode([{keyname_typo, ?SAMPLE_SCENARIO_A}]),
       %% when
       {CodeHttp, Body} = post_request(URL, RequestBody),
       %% then
  
positive.code: 
  post_scenarios_returns_200_and_compile_error_when_scenario_source_not_valid(_Config) ->
      %% given
      URL = get_url() ++ "/scenarios",
      RequestBody = jsx:encode([
                                {scenario, sample_test},
                                {module_source, invalid_source}
                               ]),
      %% when
      {CodeHttp, Body} = post_request(URL, RequestBody),
      %% then
      ?assertNot(filelib:is_regular("scenarios/sample_test.erl")),
      ?assertEqual(200, CodeHttp),
      ?assertEqual([{<<"compile">>, <<"error">>}],
                   Body).
  
  post_scenarios_returns_200_and_when_scenario_valid(Config) ->
      %% given
      URL = get_url() ++ "/scenarios",
      ScenarioFile = data(Config, "sample_test.erl"),
      {ok, ScenarioContent} = file:read_file(ScenarioFile),
      RequestBody = jsx:encode([
                                {scenario, sample_test},
                                {module_source, ScenarioContent}
                               ]),
      %% when
      {CodeHttp, Body} = post_request(URL, RequestBody),
      %% then
      ?assertEqual(200, CodeHttp),
      ?assert(filelib:is_regular("scenarios/sample_test.erl")),
      ?assert(filelib:is_regular("ebin/sample_test.beam")),
      ?assertEqual([{<<"compile">>, <<"ok">>}],
                   Body).
  
  
negative.code: 
  -include_lib("common_test/include/ct.hrl").
  -include_lib("eunit/include/eunit.hrl").
  
  -define(SCENARIOS_URL_S, "/scenarios").
  -define(SCENARIOS_DIR_S, "scenarios").
  -define(SAMPLE_SCENARIO_S, "sample_test.erl").
  -define(SAMPLE_SCENARIO_BEAM_S, "sample_test.beam").
  -define(SAMPLE_SCENARIO_A, sample_test).
  
  -export([all/0, init_per_testcase/2, end_per_testcase/2]).
  
  -export([
  