Issue #3391114 by poker10: Remove variables export from test-only job

.gitlab-ci/pipeline.yml

@@ -208,7 +208,6 @@ stages:
       [[ $_TARGET_DB_TYPE == "mysql" ]] && export SIMPLETEST_DB=mysql://$MYSQL_USER:$MYSQL_PASSWORD@database/$MYSQL_DATABASE?module=mysql
       [[ $_TARGET_DB_TYPE == "mariadb" ]] && export SIMPLETEST_DB=mysql://$MYSQL_USER:$MYSQL_PASSWORD@database/$MYSQL_DATABASE?module=mysql
       [[ $_TARGET_DB_TYPE == "pgsql" ]] && export SIMPLETEST_DB=pgsql://$POSTGRES_USER:$POSTGRES_PASSWORD@database/$POSTGRES_DB?module=pgsql
-    - export
     - mkdir -p ./sites/simpletest ./sites/default/files ./build/logs/junit /var/www/.composer
     - chown -R www-data:www-data ./sites ./build/logs/junit ./vendor /var/www/
     - sudo -u www-data git config --global --add safe.directory $CI_PROJECT_DIR