@Test
public void toJsonReturnsExpected() {

    final DeleteFeature underTest = DeleteFeature.of(TestConstants.Thing.THING_ID,
            TestConstants.Feature.FLUX_CAPACITOR_ID, TestConstants.EMPTY_DITTO_HEADERS);
    final JsonValue actualJson = underTest.toJson(FieldType.regularOrSpecial());
    assertThat(actualJson).isEqualTo(KNOWN_JSON);
}