new_contents: from unittest import TestCase
  
  from configuration_py.configuration_py import _load_yaml_config_by_name
  from mock import patch
  
  
  class TestLoadYAMLConfigByName(TestCase):
      @patch('configuration_py.configuration_py._get_path_to_config_file')
      @patch('configuration_py.configuration_py._read_config_file', return_value='')
      @patch('configuration_py.configuration_py._parse_yaml', return_value='value')
      def test_should_return_parse_yaml_return_value(self, _parse_yaml_mock, _read_config_file_mockget_path_mock, get_path_mock):
          config_name = 'test'
          config_folder = '/config'
          expected_value = 'value'
          actual_value = _load_yaml_config_by_name(config_name, config_folder)
          self.assertEqual(expected_value, actual_value)
  
      @patch('configuration_py.configuration_py._get_path_to_config_file')
      @patch('configuration_py.configuration_py._read_config_file', return_value='value')
      @patch('configuration_py.configuration_py._parse_yaml')
      def test_should_call_parse_yaml_with_correct_parameters(self, _parse_yaml_mock, _read_config_file_mock, get_path_mock):
          config_name = 'test'
          config_folder = '/config'
  
          _load_yaml_config_by_name(config_name, config_folder)
          _parse_yaml_mock.assert_called_once_with('value')
  
      @patch('configuration_py.configuration_py._get_path_to_config_file', return_value='value')
      @patch('configuration_py.configuration_py._read_config_file')
      @patch('configuration_py.configuration_py._parse_yaml')
      def test_should_read_config_file_with_correct_parameters(self, _parse_yaml_mock, _read_config_file_mock, get_path_mock):
          config_name = 'test'
          config_folder = '/config'
  
          _load_yaml_config_by_name(config_name, config_folder)
          _read_config_file_mock.assert_called_once_with('value')
  
      @patch('configuration_py.configuration_py._get_path_to_config_file')
      @patch('configuration_py.configuration_py._read_config_file', return_value='')
      @patch('configuration_py.configuration_py._parse_yaml')
      def test_should_call_get_path_to_config_file_with_correct_parameters(self, _parse_yaml_mock, _read_config_file_mock, get_path_mock):
          config_name = 'test'
          config_folder = '/config'
          _load_yaml_config_by_name(config_name, config_folder)
          get_path_mock.assert_called_once_with(config_name, config_folder)
subject: Add more unit/integration tests