public static ObjectMapper newObjectMapper() {
        final ObjectMapper mapper = new ObjectMapper();

        return configure(mapper);
    }
@Test
    void objectMapperSerializesNullValues() throws IOException {
        final ObjectMapper mapper = Jackson.newObjectMapper();
        final Issue1627 pojo = new Issue1627(null, null);
        final String json = "{\"string\":null,\"uuid\":null}";

        assertThat(mapper.writeValueAsString(pojo)).isEqualTo(json);
    }