None
The woman who contacted me about the interview was very impolite and acted as if it didn't matter whether I came or not.
They didn't mention beforehand that there would be a test on site, and I had to write a lot of questions... There wasn't even a glass of water on site.
It felt like everyone there had a very self-important attitude. You can tell what kind of company culture it has! As long as someone is the boss's favorite, they prosper.