1 files changed, 6 insertions, 12 deletions
diff --git a/tests/qemu-iotests/tests/graph-changes-while-io b/tests/qemu-iotests/tests/graph-changes-while-io
index 750e7d4d38..194fda500e 100755
--- a/tests/qemu-iotests/tests/graph-changes-while-io
+++ b/tests/qemu-iotests/tests/graph-changes-while-io
@@ -66,7 +66,7 @@ class TestGraphChangesWhileIO(QMPTestCase):
         # While qemu-img bench is running, repeatedly add and remove an
         # overlay to/from node0
         while bench_thr.is_alive():
-            result = self.qsd.qmp('blockdev-add', {
+            self.qsd.cmd('blockdev-add', {
                 'driver': imgfmt,
                 'node-name': 'overlay',
                 'backing': 'node0',
@@ -75,12 +75,10 @@ class TestGraphChangesWhileIO(QMPTestCase):
                     'filename': top
                 }
             })
-            self.assert_qmp(result, 'return', {})
 
-            result = self.qsd.qmp('blockdev-del', {
+            self.qsd.cmd('blockdev-del', {
                 'node-name': 'overlay'
             })
-            self.assert_qmp(result, 'return', {})
 
         bench_thr.join()
 
@@ -92,7 +90,7 @@ class TestGraphChangesWhileIO(QMPTestCase):
         qemu_io('-c', 'write 0 64k', top)
         qemu_io('-c', 'write 128k 64k', top)
 
-        result = self.qsd.qmp('blockdev-add', {
+        self.qsd.cmd('blockdev-add', {
             'driver': imgfmt,
             'node-name': 'overlay',
             'backing': None,
@@ -101,26 +99,22 @@ class TestGraphChangesWhileIO(QMPTestCase):
                 'filename': top
             }
         })
-        self.assert_qmp(result, 'return', {})
 
-        result = self.qsd.qmp('blockdev-snapshot', {
+        self.qsd.cmd('blockdev-snapshot', {
             'node': 'node0',
             'overlay': 'overlay',
         })
-        self.assert_qmp(result, 'return', {})
 
         # While qemu-img bench is running, repeatedly commit overlay to node0
         while bench_thr.is_alive():
-            result = self.qsd.qmp('block-commit', {
+            self.qsd.cmd('block-commit', {
                 'job-id': 'job0',
                 'device': 'overlay',
             })
-            self.assert_qmp(result, 'return', {})
 
-            result = self.qsd.qmp('block-job-cancel', {
+            self.qsd.cmd('block-job-cancel', {
                 'device': 'job0',
             })
-            self.assert_qmp(result, 'return', {})
 
             cancelled = False
             while not cancelled: