skip gandi tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2 jobs for <span class="ref-name">fix-gandi-offline</span> in 3 minutes and 51 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #117154
test_php7.0

00:03:51

passed #117155
test_php7.1

00:03:22