old_contents: # coding: utf-8
  #
  # Copyright 2014 The Oppia Authors. All Rights Reserved.
  #
  # 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.
  
  """Tests for the config property registry."""
  
  __author__ = 'Sean Lip'
  
  from core.domain import config_domain
  from core.tests import test_utils
  import schema_utils_test
  
  
  class ConfigPropertyRegistryTests(test_utils.GenericTestBase):
      """Tests for the config property registry."""
  
      def test_config_property_schemas_are_valid(self):
          # This is the total number of config and computed properties.
          self.assertEqual(len(config_domain.Registry._config_registry), 18)
  
          for property_name in config_domain.Registry._config_registry:
              schema = config_domain.Registry.get_config_property(
                  property_name).schema
              schema_utils_test.validate_schema(schema)
  
new_contents: # coding: utf-8
  #
  # Copyright 2014 The Oppia Authors. All Rights Reserved.
  #
  # 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.
  
  """Tests for the config property registry."""
  
  __author__ = 'Sean Lip'
  
  from core.domain import config_domain
  from core.tests import test_utils
  import schema_utils_test
  
  
  class ConfigPropertyRegistryTests(test_utils.GenericTestBase):
      """Tests for the config property registry."""
  
      def test_config_property_schemas_are_valid(self):
          # This is the total number of config and computed properties.
          self.assertEqual(len(config_domain.Registry._config_registry), 19)
  
          for property_name in config_domain.Registry._config_registry:
              schema = config_domain.Registry.get_config_property(
                  property_name).schema
              schema_utils_test.validate_schema(schema)
  
subject: Fix broken backend test