🇭🇺Hungary @pp

I did not enough time for create environment, where I can run tests. The first patch is for run all test only.

This patch deny preview if necessary arguments are missing.

Found a problem: https://www.drupal.org/node/2452659 →
The real problem is try to render taxonomy/term/%/feed link when argument is not present. The argument is necessary because % in the base url. The real solution will be that deny preview in views_ui when (one of ) necessary arguments are missing.

This is a working but not perfect solution.

fix unit test

pp → created an issue.

I use Ajax in my views.
I applied the #5 patch then filter worked fine.

Update Twig documentation url.