code: def assert_ro_token_failure(stub, request):
      """Perform the request with a read-only token and assert failure"""
      try:
          stub(
              request,
              metadata=(("api-key", "my-ro-secret"),),
              timeout=1.0,
          )
          pytest.fail("Request should have failed")
      except:
          return
  
file_path: qdrant/tests/api_key/test_grpc.py
imports: from qdrant_client import QdrantClient, grpc
  import pytest
  from qdrant_client.conversions.conversion import payload_to_grpc
  import os
label_desc: Use image node_id 15 for calling a global function with example usage: assert_ro_token_failure(stub, request) without return types