Disabling http tests for guix

[Pjotr Prins]

On Sunday, 11 February 2018 at 19:40:56 UTC, Seb wrote:
> How about the reverse, s.t. not all build scripts need to be 
> updated?

The following would only be for tests that access the internet:

    version(StdEnvUnittest) {
        do something with internet enabled
    }

Not that many tests.