diff --git a/changelog.d/7003.misc b/changelog.d/7003.misc
new file mode 100644
index 0000000000000000000000000000000000000000..08aa80bcd91fdd88d2c10dafacd3b6e679a6e45b
--- /dev/null
+++ b/changelog.d/7003.misc
@@ -0,0 +1 @@
+Refactoring work in preparation for changing the event redaction algorithm.
diff --git a/tests/app/test_frontend_proxy.py b/tests/app/test_frontend_proxy.py
index 160e55aca967bd1ec4048ed7c7d14040e8e39d1e..d3feafa1b7b07bb94d64b2a51c4a3e216629db05 100644
--- a/tests/app/test_frontend_proxy.py
+++ b/tests/app/test_frontend_proxy.py
@@ -27,6 +27,11 @@ class FrontendProxyTests(HomeserverTestCase):
 
         return hs
 
+    def default_config(self, name="test"):
+        c = super().default_config(name)
+        c["worker_app"] = "synapse.app.frontend_proxy"
+        return c
+
     def test_listen_http_with_presence_enabled(self):
         """
         When presence is on, the stub servlet will not register.