It seems like the assessment tests are written by a machine and/or scraped entirely from questions in online repositories.
As an example, here's a screenshot of one of their nonsense questions for an Android assessment: https://prnt.sc/waKVQjFoETwr
Almost all the questions are like that. I also figured out that a bunch of the questions seem to be copied word for word from online repositories like https://github.com/Ebazhanov/linkedin-skill-assessments-quizzes/blob/main/android/android-quiz.md.
Tried to speak to a person about all the issues which make taking an assessment impossible, and just got more bots.
I'm sure many are looking for jobs, so figured this would save people a bunch of time.