fix test_playlist_unlisted again

Author: willforde

tests/test_youtube.py

@@ -54,7 +54,7 @@ def test_playlist_playlist_single_page(self):
 
     def test_playlist_unlisted(self):
         ret = route_caller(youtube.Playlist, "PLCnUnV3yCIYt_cgn_1UIU1w2YQ_TfFa6L")
-        self.assertGreaterEqual(len(ret), 30)
+        self.assertGreaterEqual(len(ret), 25)
 
     def test_playlist_playlist_muilti_page(self):
         ret = route_caller(youtube.Playlist, "PL8mG-RkN2uTx1lbFS8z8wRYS3RrHCp8TG", loop=False)