@Test
public void configSoItFails() {

    ObjectMapper jom = new ObjectMapper();
    jom.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true);
    JacksonObjectMapper j = new JacksonObjectMapper(jom);
    try {
        j.readValue("{\"something\": [1,2,3] }", TestMe.class);
        fail("Should have thrown");
    }catch (Exception e) {
        assertEquals("com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field \"something\" (class kong.unirest.jackson.JacksonObjectMapperTest$TestMe), not marked as ignorable (3 known properties: \"another\", \"text\", \"nmbr\"])\n" +
                        " at [Source: (String)\"{\"something\": [1,2,3] }\"; line: 1, column: 16] (through reference chain: kong.unirest.jackson.JacksonObjectMapperTest$TestMe[\"something\"])",
                e.getMessage());
    }
}