class RSpec::Rails::Matchers::ActiveJob::Base

def failure_message
  "expected to #{self.class::FAILURE_MESSAGE_EXPECTATION_ACTION} #{base_message}".tap do |msg|
    if @unmatching_jobs.any?
      msg << "\nQueued jobs:"
      @unmatching_jobs.each do |job|
        msg << "\n  #{base_job_message(job)}"
      end
    end
  end
end