autotest/tp-libvirt — pull request #183 by yumingfei (2014-06-09 06:21:12+00:00)
Title: tests.volume_application: Fix pool problems and check cdrom.

```
* Parted device in vms is optional because parted command
may not exist.
* Disk volumes couldn't be created in disk pool, so create
them before create_volumes(...).
* Pools will be in busy if we do not detach them on vms.
```