@Override
    public Map<String, Map<String, String>> getAdditionalInformation() {
        Map<String, Map<String, String>> result = Maps.newHashMap();
        result.put("values", values);
        return result;
    }
@Test
    public void testGetValues() throws Exception {
        Map<String,String> values = Maps.newHashMap();
        values.put("foo", "bar");
        values.put("zomg", "baz");

        DropdownField f = new DropdownField("test", "Name", "fooval", values, ConfigurationField.Optional.NOT_OPTIONAL);
        assertEquals(values, f.getAdditionalInformation().get("values"));
    }