text: 
  from distutils.dir_util import copy_tree  # b/c shutil.copytree does not support existing dest directories until Python 3.8.
  from tempfile import NamedTemporaryFile, TemporaryDirectory
  from ruamel.yaml import round_trip_dump, round_trip_load, YAML
  from pathlib import Path
  from unittest import skip
  from tests.test_base import TestBase, test_constants
  from capanno_utils.repo_config import content_repo_name
  from capanno_utils.repo_config import tools_dir_name
  from capanno_utils.helpers.modify_yaml_files import add_field_to_to_yaml_file, update_subtool_metadata_files
  
  class TestModifyYamlFiles(TestBase):
      def test_add_field_to_yaml_file(self):
          test_dict = {'key0': 'value_0', 'key1': 'value_1'}
          yaml = YAML()
          update_dict = {'key_new0': 'new_value0', 'key_new1': 'new_value1'}
          with NamedTemporaryFile(mode='w', prefix='test_addfield1', suffix='.yaml') as tf1: # Create a temporary yaml file
              yaml.dump(test_dict, tf1)
              add_field_to_to_yaml_file(update_dict, tf1.name, after_key='key0')
              assert True
          return
  
      @skip('')
      def test_modify_yaml_file(self):
          update_dict = {'snakemakeStatus': 'Incomplete', 'nextflowStatus': 'Incomplete', 'wdlStatus': 'Incomplete'}
  
  
          with TemporaryDirectory(prefix='test_modify_yaml') as td:
              copy_tree(str(self.test_content_dir), td)
              test_file_path = Path(td) / tools_dir_name / 'gawk' / '4.1.x' / 'gawk' / 'gawk-metadata.yaml'
              update_subtool_metadata_files(test_file_path, update_dict, after_key='cwlStatus')
              assert True
          return
  
      # @skip('')
      def test_modify_tool_metadata(self):
          update_dict = {'snakemakeStatus': 'Incomplete', 'nextflowStatus': 'Incomplete', 'wdlStatus': 'Incomplete'}
  
          with TemporaryDirectory(prefix='test_modify_yaml') as td:
              temp_content_dir = f"{td}/{content_repo_name}"
              copy_tree(str(self.test_content_dir), temp_content_dir)
              test_file_path = Path(temp_content_dir) / tools_dir_name
              update_subtool_metadata_files(test_file_path, update_dict, after_key='cwlStatus', base_dir=temp_content_dir)
              assert True
          return