Draft: feat(gitlab): se mejoran script para correr test unitarios en gitlab

.gitlab-ci.yml

   stage: unit_test
   script:
     - createdb $DB_NAME
-    - cd parts
-    - ls
     - buildout
+    - cd parts 
+    - ls
+    - cd ..
     - start_openerp -d $DB_NAME --stop-after-init -i $NAME_PRO
     - green -d $DB_NAME -- parts/$NAME_PRO
   dependencies: