diff --git a/app/clients/sms/aws_sns.py b/app/clients/sms/aws_sns.py
index 8b5d6c963..86b212e8e 100644
--- a/app/clients/sms/aws_sns.py
+++ b/app/clients/sms/aws_sns.py
@@ -1,11 +1,14 @@
+import datetime
 import os
 import re
 from time import monotonic
+from unittest.mock import MagicMock
 
 import botocore
 import phonenumbers
 from boto3 import client
 
+from app.celery.tasks import __total_sending_limits_for_job_exceeded
 from app.clients import AWS_CLIENT_CONFIG
 from app.clients.sms import SmsClient
 from app.cloudfoundry_config import cloud_config
@@ -95,3 +98,27 @@ class AwsSnsClient(SmsClient):
         if not matched:
             self.current_app.logger.error("No valid numbers found in {}".format(to))
             raise ValueError("No valid numbers found for SMS delivery")
+
+    def test_total_sending_limits_exceeded(mocker):
+        mock_service = MagicMock()
+        mock_service.total_message_limit = 1000
+        mock_job = MagicMock()
+        mock_job.notification_count = 300
+        job_id = "test_job_id"
+
+        mock_check_service_limit = mocker.patch(
+            "app.clients.sms.aws_sns.check_service_over_total_message_limit"
+        )
+        mock_check_service_limit.return_value = 800
+
+        mock_utc_now = mocker.patch("app.clients.sms.aws_sns.utc_now")
+        mock_utc_now.return_value = datetime(2024, 11, 10, 12, 0, 0)
+
+        mock_dao_update_job = mocker.patch("app.clients.sms.aws_sns.dao_update_job")
+
+        result = __total_sending_limits_for_job_exceeded(mock_service, mock_job, job_id)
+        assert result is True
+
+        assert mock_job.job_status == "sensding limits exceeded"
+        assert mock_job.processing_finished == datetime(2024, 11, 10, 12, 0, 0)
+        mock_dao_update_job.assert_called_once_with(mock_job)