assertEquals("value2", dataStoreParams.get("key2"));
        assertEquals("value3", dataStoreParams.get("key3"));
    }

    // Test putAll with empty map
    @Test
    public void test_putAllEmptyMap() {
        dataStoreParams.put("existingKey", "existingValue");

        Map<String, String> emptyMap = new HashMap<>();
        dataStoreParams.putAll(emptyMap);