code: def get_string_params(parameters):
      return ", ".join(
          [
              f"{key} = {json.dumps(val)}"
              for key, val in parameters.items()
          ]
      )
  
imports: from pathlib import Path
  import json
  import pytest
  from pymongo import MongoClient
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from .conftest import CONFIG_PATH
  from .http_test_helpers import HTTPHelperMixin
label_desc: Use image node_id 1 for calling a global function with example usage: get_string_params(parameters) and returns: str