Create a busybox pod and add "sleep 3600" command

Verify certificate expiry date for ca certificate in /etc/kubernetes/pki

Apply the autoscaling to this deployment with minimum 10 and maximum 20 replicas and target CPU of 85% and verify hpa is created and replicas are increased to 10 from 1

Scale down the deployment to 1 replica

Undo the deployment with the previous version and verify
everything is Ok