[PATCH 6/6] tox: Use a range of ports for live servers in case of concurrent runs

[Finucane, Stephen]

> From:
> https://docs.djangoproject.com/en/1.8/topics/testing/tools/#liveservertestc
> ase
> 
> In the case where the tests are run by multiple processes in parallel (for
> example, in the context of several simultaneous continuous integration
> builds),
> the processes will compete for the same address, and therefore your tests
> might
> randomly fail with an “Address already in use” error.
> 
> And indeed it was hapening in my setup:
> 
> Traceback (most recent call last):
>   File
>   ".../python2.7/site-packages/django/test/testcases.py",
>   line 1193, in setUpClass
>       raise cls.server_thread.error
>       error: [Errno 98] Address already in use
> 
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>

Typo in the commit message (sorry) but:

Acked-by: Stephen Finucane <stephen.finucane at intel.com>