code: def test_download_copy_from_input_to_output_dir(self):
      self.create_fake_dataset(n_data=100)
      cli_string = (
          f"lightly-download token='123' dataset_id='{_DATASET_ID}' tag_name='selected_tag_xyz' "
          f"input_dir={self.input_dir} output_dir={self.output_dir}"
      )
      self.parse_cli_string(cli_string)
      lightly.cli.download_cli(self.cfg)
  
imports: import os
  import sys
  import tempfile
  import pytest
  import torchvision
  from hydra.experimental import compose, initialize
  import lightly
  from tests.api_workflow.mocked_api_workflow_client import MockedApiWorkflowClient, MockedApiWorkflowSetup
label_desc: Use image node_id 13 for calling the TestCLIDownload obj's underlying member method code with example usage: obj.test_download_copy_from_input_to_output_dir() without return types