diff --git a/tests/frontends/mpris/player_interface_test.py b/tests/frontends/mpris/player_interface_test.py
index 35fb0161..39b77093 100644
--- a/tests/frontends/mpris/player_interface_test.py
+++ b/tests/frontends/mpris/player_interface_test.py
@@ -812,23 +812,20 @@ class PlayerInterfaceTest(unittest.TestCase):
     def test_open_uri_ignores_uris_with_unknown_uri_scheme(self):
         self.assertListEqual(self.core.uri_schemes.get(), ['dummy'])
         self.mpris.get_CanPlay = lambda *_: True
-        self.backend.library.dummy_library = [
-            Track(uri='notdummy:/test/uri')]
+        self.backend.library.dummy_library = [Track(uri='notdummy:/test/uri')]
         self.mpris.OpenUri('notdummy:/test/uri')
         self.assertEqual(len(self.core.tracklist.tracks.get()), 0)
 
     def test_open_uri_adds_uri_to_tracklist(self):
         self.mpris.get_CanPlay = lambda *_: True
-        self.backend.library.dummy_library = [
-            Track(uri='dummy:/test/uri')]
+        self.backend.library.dummy_library = [Track(uri='dummy:/test/uri')]
         self.mpris.OpenUri('dummy:/test/uri')
         self.assertEqual(
             self.core.tracklist.tracks.get()[0].uri, 'dummy:/test/uri')
 
     def test_open_uri_starts_playback_of_new_track_if_stopped(self):
         self.mpris.get_CanPlay = lambda *_: True
-        self.backend.library.dummy_library = [
-            Track(uri='dummy:/test/uri')]
+        self.backend.library.dummy_library = [Track(uri='dummy:/test/uri')]
         self.core.tracklist.append([
             Track(uri='dummy:a'), Track(uri='dummy:b')])
         self.assertEqual(self.core.playback.state.get(), STOPPED)
@@ -841,8 +838,7 @@ class PlayerInterfaceTest(unittest.TestCase):
 
     def test_open_uri_starts_playback_of_new_track_if_paused(self):
         self.mpris.get_CanPlay = lambda *_: True
-        self.backend.library.dummy_library = [
-            Track(uri='dummy:/test/uri')]
+        self.backend.library.dummy_library = [Track(uri='dummy:/test/uri')]
         self.core.tracklist.append([
             Track(uri='dummy:a'), Track(uri='dummy:b')])
         self.core.playback.play()
@@ -858,8 +854,7 @@ class PlayerInterfaceTest(unittest.TestCase):
 
     def test_open_uri_starts_playback_of_new_track_if_playing(self):
         self.mpris.get_CanPlay = lambda *_: True
-        self.backend.library.dummy_library = [
-            Track(uri='dummy:/test/uri')]
+        self.backend.library.dummy_library = [Track(uri='dummy:/test/uri')]
         self.core.tracklist.append([
             Track(uri='dummy:a'), Track(uri='dummy:b')])
         self.core.playback.play()