assertEquals(2, typedArray.length);
        assertEquals(doc1, typedArray[0]);
        assertEquals(doc2, typedArray[1]);
    }

    public void test_listOperations_removeAll_retainAll() {
        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");