diff --git a/qubes/tests/__init__.py b/qubes/tests/__init__.py
index d0d1dc35d..48b48da42 100644
--- a/qubes/tests/__init__.py
+++ b/qubes/tests/__init__.py
@@ -440,6 +440,9 @@ def __exit__(self, exc_type, exc_val, exc_tb):
             return
         ex = exc_val
         while ex is not None:
+            if isinstance(ex, subprocess.CalledProcessError):
+                # include stderr in the log
+                print(f"CalledProcessError({ex.cmd}): stderr={ex.stderr!r}")
             if isinstance(ex, qubes.exc.QubesVMError):
                 ex.vm = None
             traceback.clear_frames(ex.__traceback__)
diff --git a/qubes/tests/integ/audio.py b/qubes/tests/integ/audio.py
index 4c1fcbf39..ab650380d 100644
--- a/qubes/tests/integ/audio.py
+++ b/qubes/tests/integ/audio.py
@@ -65,6 +65,7 @@ def wait_for_pulseaudio_startup(self, vm):
         self.loop.run_until_complete(asyncio.sleep(1))
 
     def prepare_audio_test(self, backend):
+        self.pwplay_opts = ""
         self.loop.run_until_complete(self.testvm1.start())
         pulseaudio_units = "pulseaudio.socket pulseaudio.service"
         pipewire_units = "pipewire.socket wireplumber.service pipewire.service"
@@ -78,6 +79,15 @@ def prepare_audio_test(self, backend):
             ):
                 self.skipTest("PipeWire audio not supported in Debian 11")
             self.testvm1.features["service.pipewire"] = True
+            try:
+                self.loop.run_until_complete(
+                    self.testvm1.run_for_stdio(
+                        "pw-play --help | grep -q -- --raw",
+                    )
+                )
+                self.pwplay_opts = "--raw"
+            except subprocess.CalledProcessError:
+                pass
         elif backend == "pulseaudio":
             # Use PulseAudio if it is installed.  If it is not installed,
             # PipeWire will still run, and its PulseAudio emulation will
@@ -210,7 +220,10 @@ def common_audio_playback(self):
         )
         local_user = grp.getgrnam("qubes").gr_mem[0]
         if self.testvm1.features["service.pipewire"]:
-            cmd = "timeout 20s pw-play --format=f32 --rate=44100 --channels=1 - < audio_in.snd"
+            cmd = (
+                f"timeout 20s pw-play {self.pwplay_opts} --format=f32 "
+                f"--rate=44100 --channels=1 - < audio_in.snd"
+            )
         else:
             cmd = (
                 "timeout 20s paplay --format=float32le --rate=44100 --channels=1 "
@@ -384,11 +397,10 @@ def common_audio_record_muted(self):
         audio_in = b"\x20" * 4 * 44100
         local_user = grp.getgrnam("qubes").gr_mem[0]
         sudo = ["sudo", "-E", "-u", local_user]
-        # Need to use .snd extension so that pw-play (really libsndfile)
-        # recognizes the file as raw audio.
         if self.testvm1.features["service.pipewire"]:
             cmd = (
-                "pw-record --format=f32 --rate=44100 --channels=1 audio_rec.snd"
+                f"pw-record {self.pwplay_opts} --format=f32 --rate=44100 "
+                f"--channels=1 - > audio_rec.snd"
             )
             kill_cmd = "pkill --signal SIGINT pw-record"
         else:
@@ -448,12 +460,10 @@ def common_audio_record_unmuted(self, attach_mic=True, detach_mic=True):
         local_user = grp.getgrnam("qubes").gr_mem[0]
         sudo = ["sudo", "-E", "-u", local_user]
 
-        # Need to use .snd extension so that pw-play (really libsndfile)
-        # recognizes the file as raw audio.
         if self.testvm1.features["service.pipewire"]:
             record_cmd = (
-                "pw-record --format=f32 --rate=44100 --channels=1 "
-                "audio_rec.snd"
+                f"pw-record {self.pwplay_opts} --format=f32 --rate=44100 "
+                "--channels=1 - > audio_rec.snd"
             )
             kill_cmd = "pkill --signal SIGINT pw-record"
         else:
diff --git a/qubes/tests/integ/vm_qrexec_gui.py b/qubes/tests/integ/vm_qrexec_gui.py
index febf825e1..1c133ca32 100644
--- a/qubes/tests/integ/vm_qrexec_gui.py
+++ b/qubes/tests/integ/vm_qrexec_gui.py
@@ -692,6 +692,12 @@ async def _test_300_bug_1028_gui_memory_pinning(self):
         # prevent Whonix startup notifications from interfering
         self.testvm1.features["service.whonix-tor-disable"] = True
         await self.testvm1.start()
+        # avoid whonix wizard showing up
+        if "whonix" in self.template:
+            await self.testvm1.run_for_stdio(
+                "touch /var/lib/whonix/do_once/whonixsetup.done",
+                user="root",
+            )
         await self.wait_for_session(self.testvm1)
 
         # and allow large map count