[Merge] lp:~mathieu-tl/utah/server-tests-lvm into lp:~ubuntu-server-dev/utah/server-tests-quantal

[Parameswaran Sivatharman]

FWIW, when applied to lp:ubuntu-test-cases/server this fixes the desktop lvm tests and lvm tests for the server ISO. Haven't checked for multi-lvm tests, yet though. 
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https://code.launchpad.net/~mathieu-tl/utah/server-tests-lvm/+merge/264993
Your team Ubuntu Server Developers is requested to review the proposed merge of lp:~mathieu-tl/utah/server-tests-lvm into lp:~ubuntu-server-dev/utah/server-tests-quantal.