autotest/virt-test — pull request #738 by liyangfnst (2013-08-16 03:50:57+00:00)
Title: libvirt: Add 2 new test cases for virsh change-media

1.When a guest is shutoff, user can insert/update a source file
without source path, but the guest cannot be started
2.When a guest is started, user cannot insert/update a source file
without source path.

Signed-off-by: Li Yang