The whole process was very poorly managed and seemed erratic, and lasted over several months.
The first interview was supposed to be a screening interview with the HR. The HR manager postponed the interview 5 times, sometimes only a few hours before our interview, without even asking me if I were available. He ended up never showing up to our interview. He sent me a 2-hour analytical test to do, which I did (and seemed to have passed even though I never received any feedback about it).
After this, I had given up on Uber - the way the HR treated me showed me that the culture was bad enough (not respecting people's time).
Eventually, a few weeks later, an Uber Eats manager contacted me for an interview, which I passed - followed by a 2nd interview a week later with the General Manager of Uber Eats. I had absolutely zero fit with the GM, which was quite arrogant, small minded (contrary to the first Uber manager I spoke to) and had preconceived ideas about how the business should be.
I had no news from Uber from several weeks - until eventually, after following up, I received an automatic email saying that I was not a good fit. Fair enough :)