code: def search(self, docs: DocumentArray, **kwargs):
      docs.append(Document(text="added"))
      return docs
  
imports: from docarray import Document, DocumentArray
  from jina import Executor, Flow, requests
  import pytest
label_desc: Use image node_id 3 for calling the DynamicPollingExecutorDefaultNames obj's underlying member method code with example usage: obj.search(docs) and returns: docs