> Hum I'm confused here. You test looks like perfect, and it passes too..

I think the testcase is sound

> but in the logs I'm seeing a bunch of stacktraces which seem related to ORM and/or javassist failing to create our test entity.

Yeah, I've seen them too. I'll spend some more time on this to make it "cleaner". But as you say, I don't think they are related.