bug#46641: process-tests assume network connection

[Philipp]

> Am 21.02.2021 um 12:11 schrieb Robert Pluim <rpluim@gmail.com>:
> 
>>>>>> On Fri, 19 Feb 2021 12:59:13 -0500, Glenn Morris <rgm@gnu.org> said:
> 
>    Glenn> Package: emacs
>    Glenn> Version: 27.1
> 
>    Glenn> Some process-tests fail if the system has no network connection.
>    Glenn> I don't know what the appropriate skip-unless condition to test for
>    Glenn> network access is.
> 
>    Glenn> Ref: https://bugs.debian.org/982969
> 
> So Debian deliberately cripple their test environment, run the network
> tests for an editor which can do network access, and we have to adapt
> our tests? I am not amused.

This is pretty common for CI systems.  Accessing the network is a security 
risk, and in addition tends to make tests unreproducible.