We are aware of an issue with the Search Ranking test where the results have “[search engine] won’t say.” We are working on a resolution to this issue and will keep you updated.
[Friday, September 6 14:31] We have added a message to any reports that are missing search ranking results to better explain the situation. We are still working on a new solution. We’ll keep updating as we go. Thanks for bearing with us.
[Monday, September 9 16:13] We are deploying a patch that we believe will help to alleviate this issue. We will be monitoring the situation while we continue development on a permanent solution.