+ check_new_username_setting(name, "#{name}3")
+ # Insert some out-of-order conflicts, to ensure our "sort by
+ # username, stop when we see a hole" strategy doesn't depend on
+ # insert order.
+ check_new_username_setting("#{name}13", "#{name}13")
+ check_new_username_setting("#{name}5", "#{name}5")
+ check_new_username_setting(name, "#{name}4")
+ 6.upto(12).each do |n|
+ check_new_username_setting(name, "#{name}#{n}")
+ end