For years now, Google has shown phone numbers on some search result snippets when Google thinks you want to call that store. We have screen captures of this from 2016 and 2014. But now Google is testing a new button that is more button-like.
Khushal Bherwani posted a screenshot on X:
This is the style that I see:
This looks more like the style from the order online button.
Forum discussion at X.
