Disabling http tests for guix

[Seb]

On Sunday, 11 February 2018 at 15:39:18 UTC, Pjotr Prins wrote:
> On Friday, 6 January 2017 at 13:39:31 UTC, fredmanglis wrote:
>> On Thursday, 5 January 2017 at 23:18:36 UTC, Joakim wrote:
>>> Seem fairly small, but I could see why you wouldn't want to 
>>> maintain them yourself.  If you're up for it, we could 
>>> probably add a version flag to the test suite to disable 
>>> these sections for packagers.
>
> Similar to StdUnittest in 
> https://github.com/dlang/phobos/pull/5927, I propose we
> add version(StdNetworkunittest) and/or version(StdEnvUnittest) 
> for those tests that require internet access or access to a 
> directory outside the source tree (e.g. $TMPDIR) as these may 
> not be available in containers and other restrictive build 
> systems. Does that make sense?

How about the reverse, s.t. not all build scripts need to be 
updated?