Merge branch 'fix_test_forbidden_character' into 'master'

use dash instead of forbidden underscore in container name

See merge request !21
2 jobs for master in 2 minutes and 18 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed build #399636

00:01:47

 
  Deploy
passed deploylib #399637

00:00:30