Fix gitlab ci tests postgresql

.gitlab-ci.yml

@@ -160,8 +160,8 @@ test-external-plugins:
     - name: rroemhild/test-openldap
       alias: ldap
   variables:
-    POSTGRES_USER: postgres
-    POSTGRES_PASSWORD: ""
+    POSTGRES_USER: peertube
+    POSTGRES_PASSWORD: "peertube"
     POSTGRES_HOST_AUTH_METHOD: trust
     REDIS_HOST: redis
   artifacts:
@@ -172,7 +172,6 @@ test-external-plugins:
   before_script:
     - 'sed -i -z "s/database:\n  hostname: ''localhost''/database:\n  hostname: ''postgres''/" config/test.yaml'
     - 'sed -i -z "s/redis:\n  hostname: ''localhost''/redis:\n  hostname: ''redis''/" config/test.yaml'
-    - psql -c "create user peertube with password 'peertube';"
     - NOCLIENT=1 yarn install --pure-lockfile --cache-folder .yarn-cache
   script:
     - npm run ci -- "external-plugins"