autotest/virt-test — pull request #1382 by spcui (2014-01-22 03:25:39+00:00)
Title: qemu.tests.enforce_quit: Make all subcase pass in different qemu-kvm version

In some version, guest cannot quit with some enforce params, like: +unknown,
but we can get the message from qemu output and check it.

Signed-off-by: Shuping Cui