diff --git a/unittests/test_cfood.py b/unittests/test_cfood.py
index 7055bc7c51962c0cbc487f29bcdacb391218a7d3..62e4b114a1c5cd8f3631f774637f3876c545afd3 100644
--- a/unittests/test_cfood.py
+++ b/unittests/test_cfood.py
@@ -336,6 +336,7 @@ class MealTest(unittest.TestCase):
 
 class FileCacheTest(unittest.TestCase):
     def test(self):
+        # if there is no connection to a server an exception should be raised.
         self.assertRaises(Exception, get_entity_for_path, "/lol")
         FileCrawler(cfood_types=[], files=[db.File(path="/lol")])
         get_entity_for_path("/lol")