@Test
public void toJsonReturnsExpected() {

    final FeaturePropertyDeleted underTest =
            FeaturePropertyDeleted.of(Thing.THING_ID, TestConstants.Feature.FLUX_CAPACITOR_ID,
                    PROPERTY_JSON_POINTER, Thing.REVISION_NUMBER, TestConstants.TIMESTAMP,
                    TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
    final JsonObject actualJson = underTest.toJson(FieldType.regularOrSpecial());
    assertThat(actualJson).isEqualTo(KNOWN_JSON);
}