You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cross_application_tracing_test.rb
    path of file: ./repos/newrelic-ruby-agent/test/multiverse/suites/agent_only
    
    the code of the file until where you have to start completion: # This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
# frozen_string_literal: true

require 
    
  def test_cross_app_error_attaches_process_id_to_intrinsics
    assert_raises(RuntimeError) do
      get('/', {'fail' => 'true'}, {'HTTP_X_NEWRELIC_ID' => NewRelic::Base64.encode64('1#234')})
    end

    assert_includes attributes_for(last_traced_error, :intrinsic), :client_cross_process_id
  end