tests/virtio-scsi: add a virtio_error() IOThread test Now that virtio_error() calls should work in an IOThread, add a virtio-scsi IOThread test cases that triggers virtio_error(). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-ID: <20250922220149.498967-6-stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>