assertEquals(1, result.getRelevantIndexes().size());
        assertEquals(Integer.valueOf(1), result.getRelevantIndexes().get(0));
    }

    @Test
    public void test_withRelevantDocs_emptyLists() {
        List<String> docIds = Collections.emptyList();
        List<Integer> indexes = Collections.emptyList();
        RelevanceEvaluationResult result = RelevanceEvaluationResult.withRelevantDocs(docIds, indexes);