# File lib/fog/aws/requests/iam/list_group_policies.rb, line 37
        def list_group_policies(group_name, options = {})
          #FIXME: doesn't use options atm
          if data[:groups].key? group_name
            Excon::Response.new.tap do |response|
              response.body = { 'PolicyNames' => data[:groups][group_name][:policies].keys,
                                'IsTruncated' => false,
                                'RequestId'   => Fog::AWS::Mock.request_id }
              response.status = 200
            end
          else
            raise Fog::AWS::IAM::NotFound.new("The user with name #{user_name} cannot be found.")
          end
        end