Improve validation for `send_{join,leave,knock}` (#10225)

The idea here is to stop people sending things that aren't joins/leaves/knocks through these endpoints: previously you could send anything you liked through them. I wasn't able to find any security holes from doing so, but it doesn't sound like a good thing.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/handlers/test_federation.py b/tests/handlers/test_federation.py

index 8796af45ed..ba8cf44f46 100644
--- a/tests/handlers/test_federation.py
+++ b/tests/handlers/test_federation.py
@@ -251,7 +251,7 @@ class FederationTestCase(unittest.HomeserverTestCase):
         join_event.signatures[other_server] = {"x": "y"}
         with LoggingContext("send_join"):
             d = run_in_background(
-                self.handler.on_send_join_request, other_server, join_event
+                self.handler.on_send_membership_event, other_server, join_event
             )
         self.get_success(d)