code: def setUp(self) -> None:
      self.training_args = TrainingConfig(
          output_dir="./ResNet50",
          overwrite_output_dir=True,
          epoch_num=5,
          batch_size=4,
      )
  
imports: import unittest
  from towhee.trainer.training_config import TrainingConfig, get_config_help
label_desc: Use image node_id 1 for calling the TrainerArgsTest obj's underlying member method code with example usage: obj.setUp() without return types