assertNotNull(results);
        }
    }

    /**
     * Test with documents having duplicate IDs across searchers.
     */
    @Test
    public void test_duplicateDocumentIds() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {

        assertNotNull(result);
        assertTrue(result instanceof MatchAllQueryBuilder);
    }

    @Test
    public void test_execute_withContextHavingSpecialCharacters() {
        // Test execute with context having special characters
        QueryContext context = new QueryContext("!@#$%^&*()", false);
        MatchAllDocsQuery query = new MatchAllDocsQuery();
        float boost = 1.0f;