Add locking to more safely delete state groups: Part 2 (#18130)

This actually makes it so that deleting state groups goes via the new
mechanism.

c.f. #18107

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/rest/client/utils.py b/tests/rest/client/utils.py

index dbd6049f9f..e766630afb 100644
--- a/tests/rest/client/utils.py
+++ b/tests/rest/client/utils.py
@@ -548,7 +548,7 @@ class RestHelper:
         room_id: str,
         event_type: str,
         body: Dict[str, Any],
-        tok: Optional[str],
+        tok: Optional[str] = None,
         expect_code: int = HTTPStatus.OK,
         state_key: str = "",
     ) -> JsonDict: