new_contents: # -*- coding: utf-8 -*-
  #
  # Copyright 2019 Google LLC
  #
  # 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
  #
  #     https://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 os
  
  from google.cloud import kms_v1
  
  
  class TestKeyManagementServiceClient(object):
      def test_list_global_key_rings(self):
          project_id = os.environ["PROJECT_ID"]
  
          client = kms_v1.KeyManagementServiceClient()
          parent = f"projects/{project_id}/locations/global"
          client.list_key_rings(request={"parent": parent})
  
subject: add system test back (#38)