test the model create() method instead of the create_volume request
test the model create() method instead of the create_volume request

As requested by @dhague, who's comment on the pull-request unfortunately
was trashed by my previous force-push.

runtimerevolution/fog,nicolasbrechet/fog,dtdream/fog,Ladas/fog,fog/fog,theforeman/fog,b0ric/fog,covario-cdiaz/fog,surminus/fog,joshmyers/fog,duhast/fog,mavenlink/fog,adecarolis/fog,ack/fog,Programatica/fog,kongslund/fog,dLobatog/fog,plribeiro3000/fog,nalabjp/fog,cocktail-io/fog,plribeiro3000/fog,runtimerevolution/fog,lwander/fog,dtdream/fog,dustacio/fog,mohitsethi/fog,covario-cdiaz/fog,mitchlloyd/fog,joshisa/fog,Programatica/fog,pravi/fog,glennpratt/fog,sapcc/fog,eLobato/fog,joshisa/fog,icco/fog,icco/fog,ack/fog,adamleff/fog,lwander/fog,mohitsethi/fog,bryanl/fog,cocktail-io/fog,kongslund/fog,dustacio/fog,rackspace/fog,duhast/fog,fog/fog,dhague/fog,sapcc/fog,joshmyers/fog,ManageIQ/fog,bryanl/fog,pravi/fog,adamleff/fog,SpryBTS/fog,b0ric/fog,rackspace/fog,nalabjp/fog,dLobatog/fog,martinb3/fog,Ladas/fog,adecarolis/fog,papedaniel/fog,seanhandley/fog,surminus/fog,dhague/fog,martinb3/fog,glennpratt/fog,seanhandley/fog,nicolasbrechet/fog,theforeman/fog,mitchlloyd/fog,eLobato/fog,SpryBTS/fog,papedaniel/fog,mavenlink/fog,ManageIQ/fog