code: static void constructErrorGraph(Map.Entry<String, LrProjectScenarioResults> scenarioResults,
                                      JSONObject scenarioGraphData) {
          Map<Integer, TimeRangeResult> errPerSecResults = scenarioResults.getValue().getErrPerSecResults();
          JSONObject errPerSecResultsResultsGraphSet =
                  extractTimeRangeResult(errPerSecResults);
          if (!errPerSecResultsResultsGraphSet.getJSONArray(LABELS).isEmpty()) {
              errPerSecResultsResultsGraphSet.put(TITLE, "Total errors per second");
              errPerSecResultsResultsGraphSet.put(X_AXIS_TITLE, "Build number");
              errPerSecResultsResultsGraphSet.put(Y_AXIS_TITLE, "Errors");
              errPerSecResultsResultsGraphSet.put(DESCRIPTION, "");
              scenarioGraphData.put("errorPerSecResults", errPerSecResultsResultsGraphSet);
          }
      }
docs: Construct error graph.
  
  @param scenarioResults   the scenario results
  @param scenarioGraphData the scenario graph data