fix: unit test for TD-08

test/bds/ai/chat_sandbox_cleanup_test.exs

@@ -62,4 +62,4 @@ defmodule BDS.AI.ChatSandboxCleanupTest do
     assert Repo.aggregate(BDS.AI.ChatMessage, :count, :id) == 2
     assert_received {:runtime_request, _endpoint, %{operation: :chat}}
   end
-end
+end