@Test
public void toJsonReturnsExpected() {

    final DeleteAclEntry underTest = DeleteAclEntry.of(TestConstants.Thing.THING_ID,
            TestConstants.Authorization.AUTH_SUBJECT_GRIMES, TestConstants.EMPTY_DITTO_HEADERS);
    final JsonObject actualJson = underTest.toJson(JsonSchemaVersion.V_1, FieldType.regularOrSpecial());
    assertThat(actualJson).isEqualTo(KNOWN_JSON);
}