Extend unittest for gnt-os info changes
Extend unittest for gnt-os info changes

Extend unit test ganeti.query_unittest.py, to correspond to the
changes made in the 'gnt-os info' output.

Signed-off-by: Dimitris Bliablias <56dc08131759a716534a4a0da56f0029eaf4af5d@gmail.com>
Signed-off-by: Michele Tartara <05f7077a2c6cbbdc4af4ba42e3ef89a0df846179@google.com>
Reviewed-by: Michele Tartara <05f7077a2c6cbbdc4af4ba42e3ef89a0df846179@google.com>

apyrgio/ganeti,yiannist/ganeti,mbakke/ganeti,grnet/snf-ganeti,ganeti-github-testing/ganeti-test-1,ganeti-github-testing/ganeti-test-1,mbakke/ganeti,yiannist/ganeti,grnet/snf-ganeti,mbakke/ganeti,andir/ganeti,apyrgio/ganeti,andir/ganeti,yiannist/ganeti,leshchevds/ganeti,bitemyapp/ganeti,bitemyapp/ganeti,onponomarev/ganeti,andir/ganeti,leshchevds/ganeti,dimara/ganeti,ganeti/ganeti,ganeti/ganeti,ganeti/ganeti,onponomarev/ganeti,dimara/ganeti,leshchevds/ganeti