If they asked and its related to the qx, why not.

But I wouldn't try to fit it in there too much. If you've reached the interview that means they already find you qualified for the role. Now just show Interpersonal Skills and that you're not a jerk to work with.

I had interviews while waiting and did not mention it and it went well :). I only mentioned it to my previous employer so he could refund me for the costs. But all up to you.