fix 2.0 ?

.gitlab-ci.yml

 image:
   name: codeception/codeception
-  entrypoint: ["/bin/sh", "-c"]
+  entrypoint: [""]
 
 stages:
   - build
   - test
   - deploy
 
+cache:
+  paths:
+  - vendor/
 
 build-job:                          # Le job se lance dans la phase de build
   stage: build
   script:
     - echo "Building the project"
     - composer install              # On installe les dépendances
-    - composer remove phpunit/phpunit --dev # On supprime phpunit
-    - composer update               # On met à jour les dépendances
-    - composer require "codeception/codeception" --dev # On installe codeception
-    - php vendor/bin/codecept bootstrap # On initialise codeception
     - echo "Build done"
 
-
 unit-test-job:                      # Le job se lance dans la phase de test
   stage: test                       
   script: