code: def test_log_file_exists(log_file_name):
      assert os.path.isfile(log_file_name)
  
file_path: pykale/tests/utils/test_logger.py
imports: import logging
  import os
  import pytest
  from kale.utils import logger
label_desc: Use image node_id 7 for calling a global function with example usage: test_log_file_exists(log_file_name) without return types