add expire times for redis objects

tests/app/celery/test_scheduled_tasks.py

@@ -415,6 +415,7 @@ def test_check_for_missing_rows_in_completed_jobs_calls_save_email(
         ),
         {},
         queue="database-tasks",
+        expires=ANY
     )
 
 

tests/app/celery/test_tasks.py

@@ -356,6 +356,7 @@ def test_process_row_sends_letter_task(
         ),
         {},
         queue=expected_queue,
+        expires=ANY
     )