Create failed on instance <default-cirros> 400

I'm getting 400 error.
host centos 7 , deployed devstack all in one
using admin/password I'm able to login/access dashboard

followed https://github.com/test-kitchen/kitchen-openstack for kitchen installation

[root@cstack ~]# kitchen create
-----> Starting Kitchen (v1.3.1)
-----> Creating ...

Create failed on instance .
Please see .kitchen/logs/default-cirros.log for more details
------Exception-------
Class: Kitchen::ActionFailed
Message: Expected([200, 204]) <=> Actual(400 Bad Request)
excon.error.response
:body => "{"error": {"message": "get_version_v2() got an unexpected keyword argument 'auth'", "code": 400, "title": "Bad Request"}}"
:headers => {
"Content-Length" => "121"
"Content-Type" => "application/json"
"Date" => "Wed, 11 Feb 2015 10:45:18 GMT"
"Vary" => "X-Auth-Token"
}
:local_address => "172.27.59.16"
:local_port => 51731
:remote_ip => "172.27.59.33"
:status => 400

cat .kitchen.yml

driver:
name: openstack
openstack_username: admin
openstack_api_key: password
openstack_auth_url: http://172.27.59.33:35357/v2.0/
#require_chef_omnibus: true
image_ref: cirros-0.3.1-x86_64
flavor_ref: m1.tiny
openstack_tenant: admin
server_name: Tcir003001
network_ref: public
public_key_path: /opt/stack/.ssh/id_rsa.pub
private_key_path: /opt/stack/.ssh/id_rsa
username: cirros

provisioner:
name: chef_solo

platforms:

• name: cirros

suites:

• name: default

[root@cstack ~]# diff .kitchen.yml .kitchen/default-cirros.yml
[root@cstack ~]#

openstack_auth_url: http://172.27.59.33:35357/v2.0/token

this worked. and solved the problem