Simplify photo rail test

tests/test_timeline.py

@@ -12,11 +12,7 @@ empty = [['emptyuser'], ['mobile_test_10']]
 
 protected = [['mobile_test_7'], ['Empty_user']]
 
-photo_rail = [['mobile_test', [
-    'Bo0nDsYIYAIjqVn', 'BoQbwJAIUAA0QCY', 'BoQbRQxIIAA3FWD', 'Bn8Qh8iIIAABXrG',
-    'Bn8QIG3IYAA0IGT', 'Bn8O3QeIUAAONai', 'Bn8NGViIAAATNG4', 'BkKoRLNCAAAYfDf',
-    'BkKndxoCQAE1vFt'
-]]]
+photo_rail = [['mobile_test', ['Bo0nDsYIYAIjqVn', 'BoQbwJAIUAA0QCY', 'BoQbRQxIIAA3FWD', 'Bn8Qh8iIIAABXrG']]]
 
 
 class TweetTest(BaseTestCase):