@Test
public void toJsonWithUsingOriginalSchemaVersionReturnsExpected() {

    final SudoRetrieveThing sudoRetrieveThing =
            SudoRetrieveThing.withOriginalSchemaVersion(THING_ID, EMPTY_DITTO_HEADERS);
    final JsonObject jsonObject = sudoRetrieveThing.toJson(JsonSchemaVersion.V_2, FieldType.regularOrSpecial());
    assertThat(jsonObject).contains(SudoRetrieveThing.JSON_USE_ORIGINAL_SCHEMA_VERSION, JsonFactory.newValue(true));
}