John E Lincoln posted on Twitter yet another Google mobile search user interface test. This one adds a line separator between the URL of the search result snippet and the description of the search result snippet.
Here is a picture John shared:
You can see the line separator, if not, here is a picture of what you'd normally expect in the search results (no line separator between the URL and description):
This is a small change but it does push down the search results ever so slightly.
Forum discussion at Twitter.