Handle undefined tags array despice having tags enabled

5 jobs for no-default-tags in 8 minutes and 52 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Codestyle
passed #176134
nodejs
tslint

00:01:51

 
  Test
passed #176135
nodejs
unit_tests

00:01:56

 
  Build
passed #176136
angular
ngbuild

00:05:01

 
  Review
passed #176137
nginx
review

00:00:01

passed #176138
nginx allowed to fail manual
stop_review

00:00:01