Tang Chen 86cae7e170 Add functional tests for "image" command v2
The tests for image v2 are quite similar to the tests for v1.
The only difference things are:
1. v2 "image set" command only allows to change the disk format
   for a queued image
2. v2 "image show" command output is different from v1

Change-Id: Ieb6bec7467887aab567743153ea3181afa49537d
2016-02-21 08:25:27 +08:00
..
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