diff --git a/test/test_api_usage.py b/test/test_api_usage.py
index 06f350ed9..6790961b6 100644
--- a/test/test_api_usage.py
+++ b/test/test_api_usage.py
@@ -631,6 +631,16 @@ class TestDeleteNamespace(ApiTestCase):
     self.assertIsNone(notification_queue.get())
     self.assertIsNone(dockerfile_build_queue.get())
 
+  def test_delete_federateduser(self):
+    self.login(PUBLIC_USER)
+
+    # Add some federated logins.
+    user = model.user.get_user(PUBLIC_USER)
+    model.user.attach_federated_login(user, 'github', 'something', {})
+
+    with check_transitive_deletes():
+      self.deleteResponse(User, expected_code=204)
+
 
 class TestSignin(ApiTestCase):
   def test_signin_unicode(self):