anchor.diff:                      ct:print("Retrying to run env_up.py. Number of retries left: ~p~n", [RetriesNumber]),
                       timer:sleep(timer:seconds(1)),
                       retry_running_env_up_script_until(ProjectRoot, AppmockRoot, CmRoot,
  -                    LogsDir, DescriptionFile, RetriesNumber - 1);
  +                        LogsDir, DescriptionFile, RetriesNumber - 1);
                   _ -> error(env_up_failed)
               end;
           Other -> Other
  
positive.code:     EnvDescriptionRelativePath = ?config(?ENV_DESCRIPTION, Config, ?DEFAULT_ENV_DESCRIPTION),
      ?TEST_FILE(Config, EnvDescriptionRelativePath).
  
  
negative.code: retry_running_env_up_script_until(ProjectRoot, AppmockRoot, CmRoot,
      LogsDir, DescriptionFile, RetriesNumber) ->
  
      StartLog = run_env_up_script(ProjectRoot, AppmockRoot, CmRoot, LogsDir, DescriptionFile),
  
      case StartLog of
          <<"">> ->
              Ids = string:tokens(string:strip(os:cmd(
                  "docker ps -aq"
              ), right, $\n), "\n"),
              MasterId = string:strip(os:cmd(
                  "docker ps -a | grep testmaster | awk '{print $1}'"
              ), right, $\n),
              remove_dockers(ProjectRoot, lists:delete(MasterId, Ids)),
  
  
              % if env_up.py failed, output will be empty,
              % because stderr is redirected to prepare_test_environment.log
              case RetriesNumber > 0 of
  