iotests: Support job-complete in run_job()

Automatically complete jobs that have a 'ready' state and need an
explicit job-complete. Without this, run_job() would hang for such
jobs.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

tests/qemu-iotests/iotests.py

@@ -622,6 +622,8 @@ def run_job(self, job, auto_finalize=True, auto_dismiss=False,
                         error = j['error']
                         if use_log:
                             log('Job failed: %s' % (j['error']))
+            elif status == 'ready':
+                self.qmp_log('job-complete', id=job)
             elif status == 'pending' and not auto_finalize:
                 if pre_finalize:
                     pre_finalize()