title: How can a ActiveJob execute rails rake command?
body: <p>I want sidekiq cron job which can run this command</p>
  
  <pre><code>rake spec
  </code></pre>
  
  <p>5 times a day...
  so I will put a cron job in sidekiq_schedule.yml ,
  but how will I execute rake spec ?</p>
  
  <p>I mean how can the ActiveJob execute that rake command from code?</p>