# File lib/fog/identity/openstack/v2/requests/list_roles.rb, line 17
          def list_roles(_options = {})
            if data[:roles].empty?
              ['admin', 'Member'].each do |name|
                id = Fog::Mock.random_hex(32)
                data[:roles][id] = {'id' => id, 'name' => name}
              end
            end

            Excon::Response.new(
              :body   => {'roles' => data[:roles].values},
              :status => 200
            )
          end