code: def test_output_documents_not_sorted_by_score(self):
      joiner = DocumentJoiner(sort_by_score=False)
      documents_1 = [Document(content="a", score=0.1)]
      documents_2 = [Document(content="d", score=0.2)]
      output = joiner.run([documents_1, documents_2])
      assert output["documents"] == documents_1 + documents_2
  
file_path: haystack/test/components/joiners/test_document_joiner.py
imports: import logging
  import pytest
  from haystack import Document
  from haystack.components.joiners.document_joiner import DocumentJoiner
label_desc: Use image node_id 12 for calling the TestDocumentJoiner obj's underlying member method code with example usage: obj.test_output_documents_not_sorted_by_score() without return types