code: def test_help(self):
      help_dict = get_config_help()
      self.assertIn("seed", help_dict.keys())
  
imports: import unittest
  from towhee.trainer.training_config import TrainingConfig, get_config_help
label_desc: Use image node_id 3 for calling the TrainerArgsTest obj's underlying member method code with example usage: obj.test_help() without return types