change datetime.now to datetime.utcnow;

fix test_ifeed test;

components/event_store/service/test_event_logger.py

@@ -16,7 +16,7 @@ from event_logger import EventLogger
 class TestEventLogger(unittest.TestCase):
     def setUp(self) -> None:
         self.el = EventLogger(StrictRedis(), False, False)
-        self.timestamp = datetime.datetime.now()
+        self.timestamp = datetime.datetime.utcnow()
 
     def test_unpack_daf(self):
         daf = DAF(vehicle_identification_number='my_vin',
@@ -60,7 +60,7 @@ class TestEventLogger(unittest.TestCase):
         self.assertEqual(message, json.dumps(unknown))
 
     def test_unpack_unknown_object(self):
-        obj = datetime.datetime.now()
+        obj = datetime.datetime.utcnow()
 
         key, message = self.el._unpack_message_to_log(pickle.dumps(obj))