diff --git a/tests/qvctests/integ.py b/tests/qvctests/integ.py
index b2cf511..e1a39ec 100644
--- a/tests/qvctests/integ.py
+++ b/tests/qvctests/integ.py
@@ -79,7 +79,7 @@ def test_010_screenshare(self):
                            '@default',
                            target=self.screenshare.name)
         p = self.view.run('qubes-video-companion screenshare',
-                           passio_popen=True)
+                           passio_popen=True, passio_stderr=True)
         # wait for device to appear, or a timeout
         self.wait_for_video0(self.view)
         self.loop.run_until_complete(self.wait_for_session(self.view))
@@ -95,7 +95,14 @@ def test_010_screenshare(self):
         self.click_stop(self.screenshare, 'screenshare')
         # wait for device to disappear, or a timeout
         self.wait_for_video0_disconnect(self.view)
-        self.assertEqual(p.wait(), 0)
+        stdout, stderr = p.communicate()
+        if p.returncode != 0:
+            self.fail("'qubes-video-companion screenshare' failed ({}): {} {}".format(
+                        p.returncode, stdout, stderr))
+        else:
+            # just print
+            print(stdout)
+            print(stderr)
 
     def test_020_webcam(self):
         """Two stages test: screen share and then webcam
@@ -115,15 +122,19 @@ def test_020_webcam(self):
                            '@default',
                            target=self.proxy.name)
         p = self.proxy.run('qubes-video-companion screenshare',
-                           passio_popen=True)
+                           passio_popen=True, passio_stderr=True)
         # wait for device to appear, or a timeout
         self.wait_for_video0(self.proxy)
         self.loop.run_until_complete(asyncio.sleep(3))
-        self.assertIsNone(p.returncode)
+        if p.returncode is not None:
+            self.fail("'qubes-video-companion screenshare' exited early ({}): {} {}".format(
+                        p.returncode, *p.communicate()))
         p2 = self.view.run('qubes-video-companion webcam',
-                           passio_popen=True)
+                           passio_popen=True, passio_stderr=True)
         self.wait_for_video0(self.view)
-        self.assertIsNone(p2.returncode)
+        if p2.returncode is not None:
+            self.fail("'qubes-video-companion webcam' exited early ({}): {} {}".format(
+                        p2.returncode, *p2.communicate()))
 
         source_image = self.capture_from_screen(self.screenshare)
         destination_image = self.capture_from_video(self.view)
@@ -132,8 +143,22 @@ def test_020_webcam(self):
         self.click_stop(self.proxy, 'webcam')
         self.click_stop(self.screenshare, 'screenshare')
         self.wait_for_video0_disconnect(self.proxy)
-        self.assertEqual(p2.wait(), 0)
-        self.assertEqual(p.wait(), 0)
+        stdout, stderr = p2.communicate()
+        if p2.returncode != 0:
+            self.fail("'qubes-video-companion screenshare' failed ({}): {} {}".format(
+                        p2.returncode, stdout, stderr))
+        else:
+            # just print
+            print(stdout)
+            print(stderr)
+        stdout, stderr = p.communicate()
+        if p.returncode != 0:
+            self.fail("'qubes-video-companion screenshare' failed ({}): {} {}".format(
+                        p.returncode, stdout, stderr))
+        else:
+            # just print
+            print(stdout)
+            print(stderr)
 
 
 def list_tests():