diff --git a/tests/dummy_backend.py b/tests/dummy_backend.py
index 9ce8e38f..465aeab6 100644
--- a/tests/dummy_backend.py
+++ b/tests/dummy_backend.py
@@ -22,7 +22,10 @@ class DummyBackend(pykka.ThreadingActor, backend.Backend):
         super(DummyBackend, self).__init__()
 
         self.library = DummyLibraryProvider(backend=self)
-        self.playback = DummyPlaybackProvider(audio=audio, backend=self)
+        if audio:
+            self.playback = backend.PlaybackProvider(audio=audio, backend=self)
+        else:
+            self.playback = DummyPlaybackProvider(audio=audio, backend=self)
         self.playlists = DummyPlaylistsProvider(backend=self)
 
         self.uri_schemes = ['dummy']
diff --git a/tests/mpd/protocol/__init__.py b/tests/mpd/protocol/__init__.py
index 754b4418..f34ad4f0 100644
--- a/tests/mpd/protocol/__init__.py
+++ b/tests/mpd/protocol/__init__.py
@@ -10,7 +10,7 @@ from mopidy import core
 from mopidy.internal import deprecation
 from mopidy.mpd import session, uri_mapper
 
-from tests import dummy_backend, dummy_mixer
+from tests import dummy_audio, dummy_backend, dummy_mixer
 
 
 class MockConnection(mock.Mock):
@@ -44,11 +44,13 @@ class BaseTestCase(unittest.TestCase):
             self.mixer = dummy_mixer.create_proxy()
         else:
             self.mixer = None
-        self.backend = dummy_backend.create_proxy()
+        self.audio = dummy_audio.create_proxy()
+        self.backend = dummy_backend.create_proxy(audio=self.audio)
 
         with deprecation.ignore():
             self.core = core.Core.start(
                 self.get_config(),
+                audio=self.audio,
                 mixer=self.mixer,
                 backends=[self.backend]).proxy()
 
diff --git a/tests/mpd/protocol/test_regression.py b/tests/mpd/protocol/test_regression.py
index 565b369e..1688d064 100644
--- a/tests/mpd/protocol/test_regression.py
+++ b/tests/mpd/protocol/test_regression.py
@@ -31,6 +31,7 @@ class IssueGH17RegressionTest(protocol.BaseTestCase):
             Track(uri='dummy:e'),
             Track(uri='dummy:f'),
         ]
+        self.audio.trigger_fake_playback_failure('dummy:error')
         self.backend.library.dummy_library = tracks
         self.core.tracklist.add(uris=[t.uri for t in tracks]).get()