-        IE.extract('https://www.youtube.com/course?list=ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')
-        self.assertEqual(DL.result[0], ['http://www.youtube.com/watch?v=j9WZyLZCBzs'])
-        self.assertEqual(len(DL.result), 25)
-        self.assertEqual(DL.result[-1], ['http://www.youtube.com/watch?v=rYefUsYuEp0'])
-
-    def test_youtube_channel(self):
-        """I give up, please find a channel that does paginate and test this like test_youtube_playlist_long"""
-        pass # TODO
-
-    def test_youtube_user(self):
-        DL = FakeDownloader()
-        IE = YoutubePlaylistIE(DL)
-        IE.extract('https://www.youtube.com/user/TheLinuxFoundation')
-        self.assertTrue(len(DL.result) >= 320)
+        result = ie.extract('https://www.youtube.com/course?list=ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')
+        entries = result['entries']
+        self.assertEqual(YoutubeIE().extract_id(entries[0]['url']), 'j9WZyLZCBzs')
+        self.assertEqual(len(entries), 25)
+        self.assertEqual(YoutubeIE().extract_id(entries[-1]['url']), 'rYefUsYuEp0')
+
+    def test_youtube_mix(self):
+        dl = FakeYDL()
+        ie = YoutubePlaylistIE(dl)
+        result = ie.extract('https://www.youtube.com/watch?v=W01L70IGBgE&index=2&list=RDOQpdSVF_k_w')
+        entries = result['entries']
+        self.assertTrue(len(entries) >= 20)
+        original_video = entries[0]
+        self.assertEqual(original_video['id'], 'OQpdSVF_k_w')
+
+    def test_youtube_toptracks(self):
+        print('Skipping: The playlist page gives error 500')
+        return
+        dl = FakeYDL()
+        ie = YoutubePlaylistIE(dl)
+        result = ie.extract('https://www.youtube.com/playlist?list=MCUS')
+        entries = result['entries']
+        self.assertEqual(len(entries), 100)