code: def test_search_routes_token_decodes_correctly():
      token = SearchRoutesToken(12345)
      encoded_token = token.encode()
      decoded_token = SearchRoutesToken.decode(encoded_token)
      assert decoded_token.index == token.index
  
file_path: mlflow/tests/gateway/test_utils.py
imports: import pytest
  from mlflow.exceptions import MlflowException
  from mlflow.gateway.utils import SearchRoutesToken, _is_valid_uri, assemble_uri_path, check_configuration_route_name_collisions, get_gateway_uri, is_valid_endpoint_name, resolve_route_url, set_gateway_uri
label_desc: Use image node_id 9 for calling a global function with example usage: test_search_routes_token_decodes_correctly() without return types