Add created_at and updated_at columns to ft_processing_time

tests/app/dao/test_fact_processing_time_dao.py

@@ -1,5 +1,7 @@
 from datetime import datetime
 
+from freezegun import freeze_time
+
 from app.dao import fact_processing_time_dao
 from app.models import FactProcessingTime
 
@@ -19,14 +21,16 @@ def test_insert_update_processing_time(notify_db_session):
     assert result[0].bst_date == datetime(2021, 2, 22).date()
     assert result[0].messages_total == 3
     assert result[0].messages_within_10_secs == 2
+    assert result[0].created_at
+    assert not result[0].updated_at
 
     data = FactProcessingTime(
         bst_date=datetime(2021, 2, 22).date(),
         messages_total=4,
         messages_within_10_secs=3
     )
-
-    fact_processing_time_dao.insert_update_processing_time(data)
+    with freeze_time("2021-02-23 13:23:33"):
+        fact_processing_time_dao.insert_update_processing_time(data)
 
     result = FactProcessingTime.query.all()
 
@@ -34,3 +38,5 @@ def test_insert_update_processing_time(notify_db_session):
     assert result[0].bst_date == datetime(2021, 2, 22).date()
     assert result[0].messages_total == 4
     assert result[0].messages_within_10_secs == 3
+    assert result[0].created_at
+    assert result[0].updated_at == datetime(2021, 2, 23, 13, 23, 33)