libvirt-tests: fix virsh_vcpuinfo test, mv shutoff_option test from error_test to normal test.

Signed-off-by: yangdongsheng <yangds.fnst@cn.fujitsu.com>
libvirt-tests: virsh_vcpuinfo, add more debug message.

Signed-off-by: yangdongsheng <yangds.fnst@cn.fujitsu.com>
Merge pull request #805 from yangdongsheng/update_virsh_vcpuinfo

Update virsh vcpuinfo test.