[nose] Fixed youtube test

bob/bio/video/test/test_databases.py

@@ -12,6 +12,9 @@ def test_youtube():
     database = bob.bio.base.load_resource(
         "youtube", "database", preferred_package="bob.bio.video"
     )
+    database.database.original_directory = pkg_resources.resource_filename(
+        "bob.bio.video", "test/data"
+    )
     try:
         check_database_zt(database, training_depends=True, models_depend=True)
     except IOError as e: