diff --git a/tests/app/clients/test_aws_cloudwatch.py b/tests/app/clients/test_aws_cloudwatch.py
index 5f25f1d9f..6662d2edb 100644
--- a/tests/app/clients/test_aws_cloudwatch.py
+++ b/tests/app/clients/test_aws_cloudwatch.py
@@ -1,4 +1,6 @@
 # import pytest
+from datetime import datetime
+
 from flask import current_app
 
 from app import aws_cloudwatch_client
@@ -61,8 +63,9 @@ def test_check_sms_success(notify_api, mocker):
 
     message_id = "succeed"
     notification_id = "ccc"
+    created_at = datetime.utcnow()
     with notify_api.app_context():
-        aws_cloudwatch_client.check_sms(message_id, notification_id, 1000000000000)
+        aws_cloudwatch_client.check_sms(message_id, notification_id, created_at)
 
     # We check the 'success' log group first and if we find the message_id, we are done, so there is only 1 call
     assert boto_mock.filter_log_events.call_count == 1
@@ -82,8 +85,9 @@ def test_check_sms_failure(notify_api, mocker):
     )
     message_id = "fail"
     notification_id = "bbb"
+    created_at = datetime.utcnow()
     with notify_api.app_context():
-        aws_cloudwatch_client.check_sms(message_id, notification_id, 1000000000000)
+        aws_cloudwatch_client.check_sms(message_id, notification_id, created_at)
 
     # We check the 'success' log group and find nothing, so we then check the 'fail' log group -- two calls.
     assert boto_mock.filter_log_events.call_count == 2