@Test
//https://github.com/bguerout/jongo/issues/226
public void canSetAFieldToNullDuringAnUpdate() throws Exception {
Mapper mapper = new JacksonMapper.Builder().addModifier(new MapperModifier() {
public void modify(ObjectMapper mapper) {
mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);
}
}).build();
Jongo jongo = new Jongo(getDatabase(), mapper);