code: def test_from_dict_without_docstore(self):
      data = {"type": "InMemoryBM25Retriever", "init_parameters": {}}
      with pytest.raises(
          DeserializationError,
          match="Missing 'document_store' in serialization data",
      ):
          InMemoryBM25Retriever.from_dict(data)
  
imports: from typing import Dict, Any
  import pytest
  from haystack import Pipeline, DeserializationError
  from haystack.testing.factory import document_store_class
  from haystack.components.retrievers.in_memory import InMemoryBM25Retriever
  from haystack.dataclasses import Document
  from haystack.document_stores.in_memory import InMemoryDocumentStore
label_desc: Use image node_id 7 for calling the TestMemoryBM25Retriever obj's underlying member method code with example usage: obj.test_from_dict_without_docstore() without return types