Google’s mobile usability report within Google Webmaster Tools is currently running a two-week delay.
If you check out your report, you will see the last updated date was on January 13, 2015 – 11 days ago.
One webmaster has been working on fixing his issues but is trying to be patient to see if the changes are noticed by Google Webmaster Tools. He posted his concerns in the Google Webmaster Help forums stating:
This should not concern anyone, it is not uncommon for those reports to have delays.
Forum discussion at Google Webmaster Help.