Update tests for Quobyte Cinder drv from mox->mock.
Update tests for Quobyte Cinder drv from mox->mock.

Removes mox framework from Quobyte Cinder Driver tests, replacing
it by mock framework code.

blueprint: qb-driver-mox2mock

Change-Id: I12d10b555269cf1da97c80b233412ebbc363bd42

duhzecca/cinder,scottdangelo/RemoveVolumeMangerLocks,nexusriot/cinder,phenoxim/cinder,cloudbase/cinder,mahak/cinder,Accelerite/cinder,duhzecca/cinder,petrutlucian94/cinder,JioCloud/cinder,ge0rgi/cinder,Akrog/cinder,rakeshmi/cinder,bswartz/cinder,leilihh/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,sasukeh/cinder,tlakshman26/cinder-https-changes,abusse/cinder,nikesh-mahalka/cinder,takeshineshiro/cinder,dims/cinder,cloudbase/cinder,abusse/cinder,openstack/cinder,scality/cinder,julianwang/cinder,eharney/cinder,j-griffith/cinder,scality/cinder,tlakshman26/cinder-https-changes,CloudServer/cinder,phenoxim/cinder,potsmaster/cinder,Paul-Ezell/cinder-1,mahak/cinder,winndows/cinder,Nexenta/cinder,Hybrid-Cloud/cinder,sasukeh/cinder,scottdangelo/RemoveVolumeMangerLocks,blueboxgroup/cinder,Datera/cinder,petrutlucian94/cinder,nikesh-mahalka/cinder,blueboxgroup/cinder,potsmaster/cinder,manojhirway/ExistingImagesOnNFS,Akrog/cinder,takeshineshiro/cinder,manojhirway/ExistingImagesOnNFS,winndows/cinder,saeki-masaki/cinder,Hybrid-Cloud/cinder,Paul-Ezell/cinder-1,CloudServer/cinder,Accelerite/cinder,saeki-masaki/cinder,openstack/cinder,leilihh/cinder,rakeshmi/cinder,j-griffith/cinder,NetApp/cinder,tlakshman26/cinder-new-branch,apporc/cinder,dims/cinder,tlakshman26/cinder-new-branch,apporc/cinder,bswartz/cinder,JioCloud/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,nexusriot/cinder,Datera/cinder,eharney/cinder,julianwang/cinder,NetApp/cinder,Nexenta/cinder