anchor.diff:  * `description` describe the search
   * `model` searched model
   * `criteria` set parameters for the search. Here, it can be a combination of the following attributes:
  -    * `pipeline` 
  +    * `pipeline` the pipeline to search for
       * `items` which itself can contain the parameters `uuid`, `status`, `role` and `batch_uuid`
  -    * `status`
  -    * `cost_code`
  +    * `status` the status to search for
  +    * `cost_code` the cost_code to search for
   
   The search below looks for an order for the `pipeline 1` which has a status `in_progress`. On top of
   that, the search looks for an order which contains an item which has the uuid 
  
positive.code: **Bulk create labellable**
  
  * `labellables` is mandatory
  POST /actions/bulk_create_labellable
  > Accept: application/json
  {
  
negative.code: * `description` describe the search
  * `model` search for resource instances of model
  * `criteria` set parameters for the search. Here, it can be a combination of the following attributes:
      * `pipeline` the pipeline to search for
      * `items` which itself can contain the parameters `status` and `role`
      * `status` the status to search for
      * `cost_code` the cost_code to search for
  
  The search below looks for a tube used in a order for the pipeline `pipeline 1` which has the status `in_progress`.
  On top of that, the tube used in that order should have a role `role A` and a `pending` status.
  