diff --git a/tests/app/celery/test_tasks.py b/tests/app/celery/test_tasks.py
index 40fe55cf6..77641f10c 100644
--- a/tests/app/celery/test_tasks.py
+++ b/tests/app/celery/test_tasks.py
@@ -599,7 +599,7 @@ def test_should_save_sms_template_to_and_persist_with_job_id(sample_job, mocker)
     assert persisted_notification.notification_type == NotificationType.SMS
 
     provider_tasks.deliver_sms.apply_async.assert_called_once_with(
-        [str(persisted_notification.id)], queue="send-sms-tasks"
+        [str(persisted_notification.id)], queue="send-sms-tasks", countdown=30
     )
 
 
@@ -670,7 +670,7 @@ def test_should_use_email_template_and_persist(
     assert persisted_notification.notification_type == NotificationType.EMAIL
 
     provider_tasks.deliver_email.apply_async.assert_called_once_with(
-        [str(persisted_notification.id)], queue="send-email-tasks"
+        [str(persisted_notification.id)], queue="send-email-tasks", countdown=30
     )
 
 
@@ -707,7 +707,7 @@ def test_save_email_should_use_template_version_from_job_not_latest(
     assert not persisted_notification.sent_by
     assert persisted_notification.notification_type == NotificationType.EMAIL
     provider_tasks.deliver_email.apply_async.assert_called_once_with(
-        [str(persisted_notification.id)], queue="send-email-tasks"
+        [str(persisted_notification.id)], queue="send-email-tasks", countdown=30
     )
 
 
@@ -738,7 +738,7 @@ def test_should_use_email_template_subject_placeholders(
     assert not persisted_notification.reference
     assert persisted_notification.notification_type == NotificationType.EMAIL
     provider_tasks.deliver_email.apply_async.assert_called_once_with(
-        [str(persisted_notification.id)], queue="send-email-tasks"
+        [str(persisted_notification.id)], queue="send-email-tasks", countdown=30
     )
 
 
@@ -822,7 +822,7 @@ def test_should_use_email_template_and_persist_without_personalisation(
     assert not persisted_notification.reference
     assert persisted_notification.notification_type == NotificationType.EMAIL
     provider_tasks.deliver_email.apply_async.assert_called_once_with(
-        [str(persisted_notification.id)], queue="send-email-tasks"
+        [str(persisted_notification.id)], queue="send-email-tasks", countdown=30
     )
 
 
diff --git a/tests/app/notifications/test_process_notification.py b/tests/app/notifications/test_process_notification.py
index 9f393b440..296f68adf 100644
--- a/tests/app/notifications/test_process_notification.py
+++ b/tests/app/notifications/test_process_notification.py
@@ -263,7 +263,7 @@ def test_send_notification_to_queue(
 
     send_notification_to_queue(notification=notification, queue=requested_queue)
 
-    mocked.assert_called_once_with([str(notification.id)], queue=expected_queue)
+    mocked.assert_called_once_with([str(notification.id)], queue=expected_queue, countdown=30)
 
 
 def test_send_notification_to_queue_throws_exception_deletes_notification(
@@ -278,6 +278,7 @@ def test_send_notification_to_queue_throws_exception_deletes_notification(
     mocked.assert_called_once_with(
         [(str(sample_notification.id))],
         queue="send-sms-tasks",
+        countdown=30
     )
 
     assert _get_notification_query_count() == 0