diff --git a/tests/test_views.py b/tests/test_views.py
index 2ac2af03..2ee24c43 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -116,6 +116,7 @@ def check_status(self):
         assert response.status_code == 200, response.content.decode('utf-8')
         assert response['content-type'] == 'text/html; charset=utf-8'
         assert b'so so' in response.content, response.content
+        HEALTH_CHECK['WARNINGS_AS_ERRORS'] = True
 
     def test_non_critical(self, client):
         class MyBackend(BaseHealthCheckBackend):