-    def test_youtube_playlist(self):
-        DL = FakeDownloader()
-        IE = YoutubePlaylistIE(DL)
-        IE.extract('https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re')
-        self.assertEqual(DL.result, [
-            ['http://www.youtube.com/watch?v=bV9L5Ht9LgY'],
-            ['http://www.youtube.com/watch?v=FXxLjLQi3Fg'],
-            ['http://www.youtube.com/watch?v=tU3Bgo5qJZE']
-        ])
-
-    def test_youtube_playlist_long(self):
-        DL = FakeDownloader()
-        IE = YoutubePlaylistIE(DL)
-        IE.extract('https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q')
-        self.assertTrue(len(DL.result) >= 799)
+    def assertIsPlaylist(self, info):
+        """Make sure the info has '_type' set to 'playlist'"""
+        self.assertEqual(info['_type'], 'playlist')