require 'rails_helper' class FailingTestJob < ApplicationJob retry_on(StandardError, attempts: 5) def perform Rails.logger.debug 'Failing' raise 'Some error...' end end RSpec.describe ApplicationJob do it 'syncs ActiveJob#executions to Delayed::Job#attempts' do FailingTestJob.perform_later expect { Delayed::Worker.new.work_off }.to change { Delayed::Job.last.attempts } end end