Merge pull request #1373 from kuinak/master

proper user creation in OS create_server mock

lib/fog/openstack/requests/compute/create_server.rb

@@ -81,12 +81,10 @@ module Fog
           user_id = if user then
                       user.id
                     else
-                      identity.user.create(:name     => @openstack_username,
-                                           :password => 'password',
-                                           :email =>
-                                             "#{@openstack_username}@example",
-                                           :tenant_id => @openstack_tenant,
-                                           :enabled => true).id
+                       response = identity.create_user(@openstack_username,
+                         'password',
+                         "#{@openstack_username}@example.com")
+                       response.body["user"]["id"]
                     end