tests: try to collect more logs in audio tests

Especially, preserve .xsession-errors and user's journall by getting
them to the console (which is then saved in dom0 in
/var/log/xen/console).

qubes/tests/integ/audio.py

@@ -35,6 +35,19 @@
 
 
 class TC_00_AudioMixin(TC_00_AppVMMixin):
+    def start_extra_vm_logging(self, vm):
+        """Log user journal and .xsession-errors to the console to be
+        preserved in logs"""
+        self.loop.run_until_complete(
+            vm.run_for_stdio("chmod a+w /dev/console", user="root"))
+        self.loop.run_until_complete(vm.run(
+            "systemd-run --no-block sh -c 'tail -F "
+            "/home/user/.xsession-errors >> /dev/console'",
+            user='root'))
+        self.loop.run_until_complete(vm.run(
+            "systemd-run --user --no-block sh -c "
+            "'journalctl --user -f >> /dev/console'"))
+
     def wait_for_pulseaudio_startup(self, vm):
         self.loop.run_until_complete(self.wait_for_session(self.testvm1))
         try:
@@ -67,6 +80,7 @@ def prepare_audio_test(self, backend):
         if "whonix-g" in self.template:
             self.skipTest("whonix gateway have no audio")
         self.loop.run_until_complete(self.testvm1.start())
+        self.start_extra_vm_logging(self.testvm1)
         pulseaudio_units = "pulseaudio.socket pulseaudio.service"
         pipewire_units = "pipewire.socket wireplumber.service pipewire.service"
         if backend == "pipewire":
@@ -646,6 +660,7 @@ def test_228_audio_rec_unmuted_pipewire(self):
     )
     def test_250_audio_playback_audiovm_pipewire(self):
         self.create_audio_vm("pipewire")
+        self.start_extra_vm_logging(self.audiovm)
         self.testvm1.audiovm = self.audiovm
         self.prepare_audio_test("pipewire")
         self.assert_pacat_running(self.audiovm, self.testvm1, True)
@@ -663,6 +678,7 @@ def test_251_audio_playback_audiovm_pipewire_late_start(self):
         self.testvm1.audiovm = self.audiovm
         self.prepare_audio_test("pipewire")
         self.loop.run_until_complete(self.audiovm.start())
+        self.start_extra_vm_logging(self.audiovm)
         self.assert_pacat_running(self.audiovm, self.testvm1, True)
         self.assert_pacat_running(self.app.domains[0], self.testvm1, False)
         self.common_audio_playback()
@@ -676,6 +692,7 @@ def test_260_audio_mic_enabled_switch_audiovm(self):
         self.testvm1.audiovm = self.audiovm
         self.prepare_audio_test("pipewire")
         self.loop.run_until_complete(self.audiovm.start())
+        self.start_extra_vm_logging(self.audiovm)
 
         # check mic is enabled in first audiovm
         self.assert_pacat_running(self.audiovm, self.testvm1, True)