code: public boolean isValidToken() {
          try {
  //            Response response = wsBase.path(TEST_CONFIGS).request(MediaType.APPLICATION_JSON_TYPE).get();
  //            return response.getStatusInfo().getFamily() == Response.Status.Family.SUCCESSFUL;
  
              LoadZone zone = getLoadZone(LoadZone.AMAZON_US_ASHBURN.uid);
              return zone == LoadZone.AMAZON_US_ASHBURN;
          } catch (Exception e) {
              log.info("API token validation failed: " + e);
          }
          return false;
      }
docs: Returns true if we can successfully logon and fetch some data.
  
  @return true     if can logon