end();
            tr();
            th().text("Date").end();
            th().text("Branch").end();
            th().text("Git commit").end();
            for (String label : testHistory.getScenarioLabels()) {
                renderHeaderForSamples(label);
            }
            th().text("Confidence").end();
            th().text("Difference").end();
            th().text("Test version").end();