@Test
public void toJsonReturnsExpected() {

    final ModifyResourcesResponse underTestUpdated =
            ModifyResourcesResponse.of(TestConstants.Policy.POLICY_ID, TestConstants.Policy.LABEL,
                    TestConstants.EMPTY_DITTO_HEADERS);
    final JsonObject actualJsonUpdated = underTestUpdated.toJson(FieldType.regularOrSpecial());
    assertThat(actualJsonUpdated).isEqualTo(KNOWN_JSON);
}