code: @Override
      public String[] readLine(int line, boolean readResult) {
          logger.debug("readLine at line {}", line);
          try {
              final String url = this.norauiWebServicesApi + scenarioName + LINE + line;
              final Row row = new Gson().fromJson(httpService.get(url), DataModel.class).getRows().get(0);
              final List<String> l = row.getColumns();
              final String[] response = l.toArray(new String[l.size() + 1]);
              response[l.size()] = String.valueOf(row.getErrorStepIndex());
              return response;
          } catch (TechnicalException | NumberFormatException | HttpServiceException e) {
              logger.error("readLine error at line {}", line, e);
              return null;
          }
      }
docs: {@inheritDoc}