make sure version is in body and wrap in linearizer queue

also add tests

1 files changed, 2 insertions, 1 deletions

diff --git a/synapse/rest/client/v2_alpha/room_keys.py b/synapse/rest/client/v2_alpha/room_keys.py

index 1c39d2af1c..220a0de30b 100644
--- a/synapse/rest/client/v2_alpha/room_keys.py
+++ b/synapse/rest/client/v2_alpha/room_keys.py
@@ -394,7 +394,8 @@ class RoomKeysVersionServlet(RestServlet):
                 "signatures": {
                     "ed25519:something": "hijklmnop"
                 }
-            }
+            },
+            "version": "42"
         }
 
         HTTP/1.1 200 OK