As of today, for as long as the license remains valid, I’m a certified Unity Developer! You can find actual proof of it here, in the official Unity Certification Look-Up, by checking out my last name and the associated ID.
The test consisted of quite a bit of questions, varying in difficulty and intent. Some required me to point at sections of the interface, others required picking or rearranging answers. It was a lot of fun! I was there with 4 other colleagues and, of course, all five of us passed! 🙂