http_tests.py: Update the redirect target for www.gandi.eu
http_tests.py: Update the redirect target for www.gandi.eu

Bug: T174798
Change-Id: I0c541fbb21c942ec8d0023a6e6e48cfcd4186195

wikimedia/pywikibot-core,magul/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,magul/pywikibot-core