@Test
public void addPMMLRuleMapperHasSourcesMap() {

    KiePMMLModelHasSourceMap kiePmmlModel = new KiePMMLModelHasSourceMap("TEST", Collections.emptyList());
    assertTrue(kiePmmlModel.sourcesMap.isEmpty());
    final List<String> generatedRuleMappers = IntStream.range(0, 3).mapToObj(i -> "apackage.Rule_" + i).collect(Collectors.toList());
    PMMLCompilerService.addPMMLRuleMapper(kiePmmlModel, generatedRuleMappers, "source_path");
    assertTrue(kiePmmlModel.sourcesMap.isEmpty());
}