text: import os
  import sys
  import pytest
  
  from imlib.general.config import get_config_obj
  from cellfinder.download.cli import main as cellfinder_download
  
  data_dir = os.path.join(
      os.getcwd(),
      "tests",
      "data",
      "brain",
  )
  test_output_dir = os.path.join(
      os.getcwd(),
      "tests",
      "data",
      "registration_output",
  )
  
  TEST_ATLAS = "allen_2017_100um"
  
  
  def download_atlas(directory):
      download_args = [
          "cellfinder_download",
          "--atlas",
          TEST_ATLAS,
          "--install-path",
          directory,
          "--no-amend-config",
          "--no-models",
      ]
      sys.argv = download_args
      cellfinder_download()
      return directory
  
  
  def generate_test_config(atlas_dir):
      config = os.path.join(os.getcwd(), "tests", "data", "config", "test.conf")
      config_obj = get_config_obj(config)
      atlas_conf = config_obj["atlas"]
      orig_base_directory = atlas_conf["base_folder"]
  
      with open(config, "r") as in_conf:
          data = in_conf.readlines()
      for i, line in enumerate(data):
          data[i] = line.replace(
              f"base_folder = '{orig_base_directory}",
              f"base_folder = '{os.path.join(atlas_dir, 'atlas', TEST_ATLAS)}",
          )
      test_config = os.path.join(atlas_dir, "config.conf")
      with open(test_config, "w") as out_conf:
          out_conf.writelines(data)
  
      return test_config
  
  
  @pytest.fixture()
  def test_config_path(tmpdir):
      print("fixture")
      atlas_directory = str(tmpdir)
      download_atlas(atlas_directory)
      test_config = generate_test_config(atlas_directory)
      return test_config
  