Preventing the token request could be an improvement, as the token
request might not be expected to happen in that method.
If the token cannot be obtained because credentials are wrong, an
exception will be triggered.
If we removed the token request from is_admin_available, this scenario
would be
In the process of writing a unit test for this I discovered that it can
call out to keystone for a token with some configurations through the
call to get_configured_credentials. This surprised me since I thought it
would just check for the necessary admin credentials in either
tempest.conf or a
