User blog comment:Brandon Rhea/How we're testing the fandom.com domain migration/@comment-31401870-20181007225445/@comment-20644-20181009014445

Unfortunately we can't add any additional wikis to the test. Choosing wikis also means choosing all of the keywords and setting up testing parameters for them, and that's not a quick process. Our SEO team has been working on this migration test for about 2 months!