diff --git a/.ds.baseline b/.ds.baseline
index ad8d6eb1e..864192e1e 100644
--- a/.ds.baseline
+++ b/.ds.baseline
@@ -277,7 +277,7 @@
         "filename": "tests/app/notifications/test_receive_notification.py",
         "hashed_secret": "913a73b565c8e2c8ed94497580f619397709b8b6",
         "is_verified": false,
-        "line_number": 26,
+        "line_number": 27,
         "is_secret": false
       },
       {
@@ -285,7 +285,7 @@
         "filename": "tests/app/notifications/test_receive_notification.py",
         "hashed_secret": "d70eab08607a4d05faa2d0d6647206599e9abc65",
         "is_verified": false,
-        "line_number": 56,
+        "line_number": 57,
         "is_secret": false
       }
     ],
@@ -384,5 +384,5 @@
       }
     ]
   },
-  "generated_at": "2025-01-28T20:24:49Z"
+  "generated_at": "2025-02-10T16:57:15Z"
 }
diff --git a/tests/app/aws/test_s3.py b/tests/app/aws/test_s3.py
index 843ce3ba0..de26f5760 100644
--- a/tests/app/aws/test_s3.py
+++ b/tests/app/aws/test_s3.py
@@ -269,6 +269,16 @@ def mock_s3_get_object_slowdown(*args, **kwargs):
     raise ClientError(error_response, "GetObject")
 
 
+def mock_s3_get_object_no_such_key(*args, **kwargs):
+    error_response = {
+        "Error": {
+            "Code": "NoSuchKey",
+            "Message": "Couldn't find it",
+        }
+    }
+    raise ClientError(error_response, "GetObject")
+
+
 def test_get_job_from_s3_exponential_backoff_on_throttling(mocker):
     # We try multiple times to retrieve the job, and if we can't we return None
     mock_get_object = mocker.patch(
@@ -280,6 +290,17 @@ def test_get_job_from_s3_exponential_backoff_on_throttling(mocker):
     assert mock_get_object.call_count == 8
 
 
+def test_get_job_from_s3_exponential_backoff_on_no_such_key(mocker):
+    # We try multiple times to retrieve the job, and if we can't we return None
+    mock_get_object = mocker.patch(
+        "app.aws.s3.get_s3_object", side_effect=mock_s3_get_object_no_such_key
+    )
+    mocker.patch("app.aws.s3.file_exists", return_value=True)
+    job = get_job_from_s3("service_id", "job_id")
+    assert job is None
+    assert mock_get_object.call_count == 2
+
+
 def test_get_job_from_s3_exponential_backoff_on_random_exception(mocker):
     # We try multiple times to retrieve the job, and if we can't we return None
     mock_get_object = mocker.patch("app.aws.s3.get_s3_object", side_effect=Exception())
diff --git a/tests/app/celery/test_tasks.py b/tests/app/celery/test_tasks.py
index 7f6b940c2..fac121047 100644
--- a/tests/app/celery/test_tasks.py
+++ b/tests/app/celery/test_tasks.py
@@ -1,7 +1,7 @@
 import json
 import uuid
 from datetime import datetime, timedelta
-from unittest.mock import ANY, Mock, call
+from unittest.mock import ANY, MagicMock, Mock, call
 
 import pytest
 import requests_mock
@@ -14,6 +14,7 @@
 from app import db, encryption
 from app.celery import provider_tasks, tasks
 from app.celery.tasks import (
+    __total_sending_limits_for_job_exceeded,
     get_recipient_csv_and_template_and_sender_id,
     process_incomplete_job,
     process_incomplete_jobs,
@@ -1695,3 +1696,28 @@ def create_encrypted_notification():
 
     assert len(_get_notification_query_all()) == 3
     assert len(mock_provider_task.call_args_list) == 3
+
+
+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.celery.tasks.check_service_over_total_message_limit"
+    )
+    mock_check_service_limit.return_value = 800
+
+    mock_utc_now = mocker.patch("app.celery.tasks.utc_now")
+    mock_utc_now.return_value = datetime(2024, 11, 10, 12, 0, 0)
+
+    mock_dao_update_job = mocker.patch("app.celery.tasks.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 == "sending limits exceeded"
+    assert mock_job.processing_finished == datetime(2024, 11, 10, 12, 0, 0)
+    mock_dao_update_job.assert_called_once_with(mock_job)
diff --git a/tests/app/dao/test_annual_billing_dao.py b/tests/app/dao/test_annual_billing_dao.py
index e3d269763..72a7d3a3a 100644
--- a/tests/app/dao/test_annual_billing_dao.py
+++ b/tests/app/dao/test_annual_billing_dao.py
@@ -5,6 +5,8 @@
 from app import db
 from app.dao.annual_billing_dao import (
     dao_create_or_update_annual_billing_for_year,
+    dao_get_all_free_sms_fragment_limit,
+    dao_get_annual_billing,
     dao_get_free_sms_fragment_limit_for_year,
     dao_update_annual_billing_for_future_years,
     set_default_free_allowance_for_service,
@@ -124,3 +126,37 @@ def test_set_default_free_allowance_for_service_updates_existing_year(sample_ser
     assert len(annual_billing) == 1
     assert annual_billing[0].service_id == sample_service.id
     assert annual_billing[0].free_sms_fragment_limit == 150000
+
+
+def test_dao_get_annual_billing(mocker):
+    mock_db_session = mocker.patch("app.dao.db.session.execute")
+
+    mock_db_session.return_value.scalars.return_value.all.return_value = [
+        "billing_entry1",
+        "billing_entry2",
+    ]
+    service_id = "test_service_id"
+    result = dao_get_annual_billing(service_id)
+    mock_db_session.assert_called_once()
+    stmt = mock_db_session.call_args[0][0]
+    assert stmt.compile().params["service_id_1"] == service_id
+
+    assert result == ["billing_entry1", "billing_entry2"]
+
+
+def test_dao_get_all_free_sms_fragment_limit(mocker):
+    mock_db_session = mocker.patch("app.dao.db.session.execute")
+    mock_db_session.return_value.scalars.return_value.all.return_value = [
+        "sms_limit1",
+        "sms_limit2",
+    ]
+
+    service_id = "test_service_id"
+
+    result = dao_get_all_free_sms_fragment_limit(service_id)
+
+    mock_db_session.assert_called_once()
+
+    stmt = mock_db_session.call_args[0][0]
+    assert stmt.compile().params["service_id_1"] == service_id
+    assert result == ["sms_limit1", "sms_limit2"]
diff --git a/tests/app/notifications/test_receive_notification.py b/tests/app/notifications/test_receive_notification.py
index 9bc9d35f6..a3c1dad1a 100644
--- a/tests/app/notifications/test_receive_notification.py
+++ b/tests/app/notifications/test_receive_notification.py
@@ -3,7 +3,7 @@
 from unittest import mock
 
 import pytest
-from flask import json
+from flask import current_app, json
 from sqlalchemy import func, select
 
 from app import db
@@ -13,6 +13,7 @@
     create_inbound_sms_object,
     fetch_potential_service,
     has_inbound_sms_permissions,
+    receive_sns_sms,
     unescape_string,
 )
 from tests.app.db import (
@@ -376,3 +377,14 @@ def test_fetch_potential_service_cant_find_it(mock_dao):
     mock_dao.return_value = create_service()
     found_service = fetch_potential_service(234, "sns")
     assert found_service is False
+
+
+def test_receive_sns_sms_inbound_disabled(mocker):
+    current_app.config["RECEIVE_INBOUND_SMS"] = False
+    response, status_code = receive_sns_sms()
+
+    assert status_code == 200
+    assert response.json == {
+        "result": "success",
+        "message": "SMS-SNS callback succeeded",
+    }