static SerializableFunction<Double, Double> getResultUpdaterFunction(final RegressionModel.NormalizationMethod normalizationMethod) {
        if (UNSUPPORTED_NORMALIZATION_METHODS.contains(normalizationMethod)) {
            return null;
        } else {
            return getResultUpdaterSupportedFunction(normalizationMethod);
        }
    }
@Test
    void getResultUpdaterUnsupportedFunction() {
        UNSUPPORTED_NORMALIZATION_METHODS.forEach(normalizationMethod ->
                assertThat(KiePMMLRegressionTableFactory.getResultUpdaterFunction(normalizationMethod)).isNull());
    }