diff --git a/tests/web/test_app.py b/tests/web/test_app.py
index 49f4cd4..65fa013 100644
--- a/tests/web/test_app.py
+++ b/tests/web/test_app.py
@@ -1,22 +1,19 @@
 # -*- coding: utf-8; -*-
 
-import os
 from unittest import TestCase
 
 from asgiref.wsgi import WsgiToAsgi
 from pyramid.router import Router
 
+from wuttjamaican.testing import DataTestCase
+
 from sideshow.web import app as mod
 
 
-here = os.path.dirname(__file__)
-example_conf = os.path.join(here, 'example.conf')
-
-
-class TestMain(TestCase):
+class TestMain(DataTestCase):
 
     def test_coverage(self):
-        app = mod.main({}, **{'wutta.config': example_conf})
+        app = mod.main({}, **{'wutta_config': self.config})
         self.assertIsInstance(app, Router)