Yesterday we asked how do we know if our pages on our web site will benefit from the mobile friendly algorithm. If the mobile usability reports show you have issues but the mobile testing tool give you the all clear, Google says you should be fine. In fact, they said what I thought they would say, if your site has the mobile-friendly label then you know you will get the mobile-friendly ranking benefit.

Mary from the Google Webmaster team answered this in a Google+ hangout yesterday in two points:

3:55 into the video she said:

22:10 into the video she said:

32:05: in the video, Google also said that the mobile usability report is delayed based on crawling:

So there you have it, your best bet is to look at the mobile friendly label in the search results and mobile testing tool and of course, keep an eye on the mobile usability report.

Forum discussion at Google+.