assertEquals("value1", metaDataMap.get("key1"));
        assertEquals(123, metaDataMap.get("key2"));
        assertEquals(true, metaDataMap.get("key3"));
    }

    public void test_metaDataMapModifiable() {
        // Test that metadata map is modifiable
        ResponseData data = new ResponseData();

        data.addMetaData("key1", "value1");