@Test
public void jsonSerializationWorksAsExpected() {

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