I didn't want your question to go unanswered, so I'll take a crack at it. In my auditions I was never asked to play scales, let alone ending chord progressions, but that was just my experience. In juries, however, yes, I was asked to play scales, but, again, never the progressions. It can't hurt to learn them, however, just to be sure.
I, personally, practice scales every day. It keeps me honest. I do each hand alone slowly to make sure I'm not developing any bad habits. I'm sure many professional and advanced pianists don't practice scales. With a well-established, solid technique, practicing their repertoire is enough. I'm not a pro, just an amateur, and my profession often keeps me too busy to practice as much as I want. So, the scales are a great way for me to warm up and monitor tension and my hand position. Each scale poses its own technical problem. That's why I always go back to them.