Move load appends test to frontend where it belongs

tests/backends/base.py

@@ -98,9 +98,6 @@ class BaseCurrentPlaylistControllerTest(object):
         self.controller.load(Playlist())
         self.assertEqual(self.controller.version, version+1)
 
-    def test_load_appends(self):
-        raise SkipTest
-
     @populate_playlist
     def test_load_preserves_playing_state(self):
         tracks = self.controller.playlist.tracks

tests/mpd/frontend_test.py

@@ -854,6 +854,9 @@ class StoredPlaylistsHandlerTest(unittest.TestCase):
         result = self.h.handle_request(u'load "name"')
         self.assert_(u'OK' in result)
 
+    def test_load_appends(self):
+        raise SkipTest
+
     def test_playlistadd(self):
         result = self.h.handle_request(
             u'playlistadd "name" "file:///dev/urandom"')