code: def test_logging_functions():
      log_dir = logging.init_logging()
      logging.log("test")
      logging.tic(message="test")
      logging.toc(message="test")
  
      model = GCN(1)
      model.build([(10, 2), (10, 10)])
      logging.model_to_str(model)
  
      shutil.rmtree(log_dir)
  
imports: import shutil
  from spektral.models import GCN
  from spektral.utils import logging
label_desc: Use image node_id 1 for calling a global function with example usage: test_logging_functions() without return types