It's a pretty straightforward deadlock: "We want to hire you because you'll add diversity." vs. "I don't want to be hired just because I'll add diversity." Since the solution of giving preference based on diverse attributes creates a deadlock, the problem has been framed wrong. I'm not going to posit the right framing... I'm actually not sure. But letting people know they are doing the job for reasons other than thei…
The fact that you got the same competence test should be enough. Leave it at "the team thinks you can do the job."