anchor.diff:  + Request (application/json)
   
               {
  -                "SERVICE_NAME":"SmartCity",
  +                "SERVICE_NAME":"defaultservice",
                   "SERVICE_ADMIN_USER":"adm1",
                   "SERVICE_ADMIN_PASSWORD":"password",
                   "SUBSERVICE_NAME":"Electricidad",
  
positive.code: + Request (application/json)
  
              {
                  "SERVICE_NAME":"SmartCity",
                  "SERVICE_ADMIN_USER":"adm1",
                  "SERVICE_ADMIN_PASSWORD": "password",
                  "NEW_ROLE_NAME":"role_NameBlabla"
  
negative.code:                 "DOMAIN_NAME":"admin_domain",
                  "DOMAIN_ADMIN_USER":"cloud_admin",
                  "DOMAIN_ADMIN_PASSWORD": "password",
                  "NEW_SERVICE_NAME":"defaultservice",
                  "NEW_SERVICE_DESCRIPTION":"defaultservice desc",
                  "NEW_SERVICE_ADMIN_USER":"adm1",
                  "NEW_SERVICE_ADMIN_PASSWORD":"password",
                  "NEW_SERVICE_ADMIN_EMAIL":"pepe@tid.es",
  