Merge branch 'hotfix-s/3548-fix-unit-tests' into 'dev'

Resolve "Test serveurs unitaires cassés depuis 2 mois : 'init_db_helper' is not defined"

Closes #3470 and #3548

See merge request !321
5 jobs for dev in 5 minutes and 2 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test Tools
passed #181207
test_tools

00:00:07

 
  Test Quality
passed #181208
web
code_quality

00:00:14

 
  Test Unit
passed #181209
web
test_browser_unit

00:00:12

passed #181210
web
test_server_unit

00:00:25

 
  Test Functional
passed #181211
docker x86_64
test_server_functional

00:04:02