Commits on Jan 17, 2020

1. pkg/test/client: retry cleanup function if cluster is temporarily una… …

   …vailable
   
   There are instances where the cluster could be temporarily unavailable.
   e.g. when etcd is doing leader re-election.
   
       https://search.svc.ci.openshift.org/?search=etcdserver%3A+leader+changed&maxAge=336h&context=2&type=all
   
   While this is not a very normal scenario, it would be good to be lenient
   on the cleanup side of things and retry if such a case happens.
   
   This will be reflected as Timeout or Unavailable errors coming from etcd.
   This patch proposes to retry with backoff in an error happens. After a
   set number of retries, it'll return the appropriate error.

   

   JAORMX committed Jan 17, 2020
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