Merge branch 'docker_clean_images' into 'dev'

.gitlab-ci.yml remove containers after func tests

See merge request !312
3 jobs from feature-s/1773-clones-null-si-pas-de-clones in 4 minutes and 32 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test Tools
passed #181065
test_tools

00:00:04

 
  Test Unit
passed #181066
web
test_server_unit

00:00:15

 
  Test Functional
passed #181067
docker x86_64
test_server_functional

00:04:12