@Test
    public void testToMap2() {
        String strJson = 
                "{\"M1\"}}}}}}}}}}}}}}}:" + 
                    "{\"data\":1," + 
                    "\"returnMessage\":\"22\"," + 
                    "\"success\":false," + 
                    "\"type\":\"\"}," +
                    "\"M2\":{\"data\":4," + 
                    "\"returnMessage\":\"55\"," + 
                    "\"success\":false," + 
                    "\"type\":\"6\"}" +
                "}";
        Map<String, Message> map = null;
        try {
            map = JSONDeserialization.toMap(strJson, Message.class);
        } catch (Exception e) {
        }
        assertThat(map, nullValue());
    }