---
features:
  - A new config option in the validation section, image_alt_ssh_user,
    to specify the user name used to authenticate to an alternative
    instance (instance using image_ref_alt) in tests. By default this
    is set to root.
  - A new config option in the validation section, image_alt_ssh_password,
    to specify the password used to authenticate to an alternative
    instance (instance using image_ref_alt) in tests. By default this
    is set to password.