Remove extra test variable assignment
Remove extra test variable assignment

Expected assertion value is assigned and then immediately
overwritten. Removes unused variable assignment.

TrivialFix

Change-Id: I8603a2d63e57354aa0d153ddfb4e9b4172ff803d

openstack/cinder,mahak/cinder,openstack/cinder,Datera/cinder,mahak/cinder,phenoxim/cinder,Datera/cinder,j-griffith/cinder,j-griffith/cinder,phenoxim/cinder