[libvirt] All virsh commands testing failed with git head

[Osier Yang]

Part of the error log is pasted, looks like it's caused by
the calling of virNodeSuspendInit in virInitialize.
================================

cd tests; LIBVIRT_DEBUG=1 VIR_TEST_DEBUG=1 ./virshtest; cd -
TEST: virshtest
  1) virsh list (default)                                              ...
Offset 0
Expect [ ]
Actual [2011-11-29 18:44:38.153: 24448: info : libvirt version: 0.9.7
2011-11-29 18:44:38.153: 24448: error : virNodeSuspendInit:86 : Failed 
to get host power management features
  ]
 
... FAILED
  2) virsh list (custom)                                               ...
Offset 0
Expect [ ]
Actual [2011-11-29 18:44:38.180: 24463: info : libvirt version: 0.9.7
2011-11-29 18:44:38.180: 24463: error : virNodeSuspendInit:86 : Failed 
to get host power management features
  ]
 
... FAILED
  3) virsh nodeinfo (default)                                          ...
Offset 0
Expect [C]
Actual [2011-11-29 18:44:38.212: 24478: info : libvirt version: 0.9.7
2011-11-29 18:44:38.212: 24478: error : virNodeSuspendInit:86 : Failed 
to get host power management features
C]
 
... FAILED

Regards,
Osier