diff --git a/tests/test_flask.py b/tests/test_flask.py
index f039f45..568b12d 100644
--- a/tests/test_flask.py
+++ b/tests/test_flask.py
@@ -160,11 +160,6 @@ class FlaskrTestCase(unittest.TestCase):
                           b"server."
                           b"</faultstring><debuginfo /></error>")
 
-    # NOTE(cdent): For reasons unclear, 'r' here has no value on data
-    # even though it does earlier in the stack. If works with Werkzeug
-    # <0.14.0 but not after. As WSME does not have test-requirement, nor
-    # pinning, so not a lot to do here.
-    @unittest.expectedFailure
     def test_custom_non_http_clientside_error(self):
         r = self.app.get(
             '/models/test/custom-error',