Do not create volume in resource_setup for test_volume_reset_status

In VolumesActionsV2Test, the volume created in resource_setup is
only used in test_volume_reset_status, so the volume can be created
in test_volume_reset_status, thus resource_setup and tearDown can
be removed.

Change-Id: I09fafdfa4d504677dde622a6f474008795e5c8cd
1 file changed