My personal test is: - how good am I in my current team/company? How good was I in my former teams/companies? I can then extrapolate to: how good I think I am

My personal test is: - how good am I in my current team/company? How good was I in my former teams/companies? I can then extrapolate to: how good I think I am for company X It’s not an objective metric, but it works for me.