Updated openstack/openstack
Project: openstack/cinder  da2c3ee76228bf1c4529e5bdb1b3e31a08500539

Fix exception handling on test_delete_nonexistent_volume

test_delete_nonexistent_volume wants to check the exception would be
received when nonexistent volume was specified. But currently, this
test case checks the exception would be received when nonexistent
metadata was specified.

Change-Id: Ia110618d5c658551a1826d495656954be02f4326