Fixed to_id

config/test/locustfile.py

@@ -32,7 +32,7 @@ class ChatUser(HttpUser):
             "from": random.choice(names),
             "from_id": f"user-{uuid.uuid4().hex[:8]}",
             "to": random.choice(names),
-            "to_id": f"user-{uuid.uuid4().hex[:8]}",
+            "to_id": "user456",  # Fixed to_id
             "milvus": random.choice(boolean_options),
             "graph": random.choice(boolean_options)
         }