assertTrue(result.getRelevantDocIds().isEmpty());
        assertNotNull(result.getRelevantIndexes());
        assertTrue(result.getRelevantIndexes().isEmpty());
    }

    @Test
    public void test_fallbackAllRelevant() {
        List<String> docIds = Arrays.asList("doc1", "doc2", "doc3", "doc4", "doc5");
        RelevanceEvaluationResult result = RelevanceEvaluationResult.fallbackAllRelevant(docIds);