old_contents: import mock
  import pytest
  
  from requests.exceptions import HTTPError
  
  
  @pytest.fixture
  def raise_custom_HTTPError():
      '''return a function that raises a customized HTTPError when called'''
      def customize_error(status_code, response_txt=''):
          def raise_error(*args, **kwargs):
              mock_response = mock.MagicMock()
              mock_response.status_code = status_code
              mock_response.text = response_txt
              HTTPErrorInstance = HTTPError(response=mock_response)
              raise HTTPErrorInstance
          return raise_error
      return customize_error
  
new_contents: # Copyright 2015 F5 Networks Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  import mock
  import pytest
  
  from requests.exceptions import HTTPError
  
  
  @pytest.fixture
  def raise_custom_HTTPError():
      '''return a function that raises a customized HTTPError when called'''
      def customize_error(status_code, response_txt=''):
          def raise_error(*args, **kwargs):
              mock_response = mock.MagicMock()
              mock_response.status_code = status_code
              mock_response.text = response_txt
              HTTPErrorInstance = HTTPError(response=mock_response)
              raise HTTPErrorInstance
          return raise_error
      return customize_error
  
subject: Insert license into conftest.py.