Yes, there are in various countries.
If you check out the honor home page forums for your region, there will be documents there explaining how to apply to join them.
If you are interested in receiving the Betta Testing for your Honor 8. You can go to hihonor.com and sign up on our community site and when the offer extends for betta testing they will be notified. Please keep in mind that all emails updates will be sent to you on the sign up. (jj)