bug#55849: 29.0.50; process-async-https-with-delay error detection is wrong

[Eli Zaretskii <eliz@gnu.org>]

> Date: Wed, 8 Jun 2022 12:30:31 -0400
> From: Ken Brown <kbrown@cornell.edu>
> 
> diff --git a/test/src/process-tests.el b/test/src/process-tests.el
> index f5908d3cda..824c6da119 100644
> --- a/test/src/process-tests.el
> +++ b/test/src/process-tests.el
> @@ -931,7 +931,7 @@ process-async-https-with-delay
>                           (< (float-time) (+ t0 limit)))
>                 (sit-for 0.1)))
>             (should status)
> -          (should-not (assq :error status))
> +          (should-not (plist-get status ':error))
>             (should buf)
>             (should (> (buffer-size buf) 0))
>             )
> 
> With this patch the correct reason for the failure is shown:
> 
> Test process-async-https-with-delay condition:
>      (ert-test-failed
>       ((should-not
>         (plist-get status ':error))
>        :form
>        (plist-get
>         (:error
>           (error connection-failed "deleted\n" :host "elpa.gnu.org" :service 443))
>         :error)
>        :value
>        (error connection-failed "deleted\n" :host "elpa.gnu.org" :service 443)))
> 
> OK to apply?

Yes, please.

> If so, to which branch?  The problem exists on both master
> and the release branch.

Please install on the release branch, and thanks.