*  GROUP BY TESTID
     * </pre>
     *
     * @return the flakiness rate in DB, null if not exists.
     */
    BigDecimal getFlakinessRate(PerformanceExperiment experiment);

    /**
     * The failure threshold of flaky scenario, if a flaky scenario performance test's difference is higher than this value,
     * it will be recognized as a real failure.

        flakinessRates = crossVersionResultsStore.getFlakinessRates(os);
        failureThresholds = crossVersionResultsStore.getFailureThresholds(os);
    }

    @Override
    public BigDecimal getFlakinessRate(PerformanceExperiment experiment) {
        return flakinessRates.get(experiment);
    }

    @Override
    public BigDecimal getFailureThreshold(PerformanceExperiment experiment) {

        Long baseDuration = perOs.get(os);
        PerformanceFlakinessDataProvider performanceFlakinessDataProvider = flakinessDataProviders.get(os);
        BigDecimal flakinessRate = performanceFlakinessDataProvider.getFlakinessRate(experiment);
        return increaseByFlakinessRate(baseDuration, flakinessRate);
    }

    private static Long increaseByFlakinessRate(Long baseDuration, @Nullable BigDecimal flakinessRate) {

                PerformanceExperiment experiment = scenario.getPerformanceExperiment();
                BigDecimal rate = flakinessDataProvider.getFlakinessRate(experiment);
                if (rate != null && rate.doubleValue() > PerformanceFlakinessDataProvider.FLAKY_THRESHOLD) {
                    result.add(Tag.FlakinessInfoTag.createFlakinessRateTag(rate));