audio: increase timeout to match hvm loading

(cherry picked from commit 2fe57b6)

qubes/tests/integ/vm_qrexec_gui.py

@@ -423,7 +423,7 @@ def wait_for_pulseaudio_startup(self, vm):
         # then wait for the stream to appear in dom0
         local_user = grp.getgrnam('qubes').gr_mem[0]
         p = self.loop.run_until_complete(asyncio.create_subprocess_shell(
-            "sudo -E -u {} timeout 30s sh -c '"
+            "sudo -E -u {} timeout 60s sh -c '"
             "while ! pactl list sink-inputs | grep -q :{}; do sleep 1; done'"
             .format(local_user, vm.name)))
         self.loop.run_until_complete(p.wait())