code: def test_to_datasets(self, monkeypatch):
      monkeypatch.setattr(
          "argilla.client.datasets.DatasetBase._RECORD_TYPE", "mock"
      )
      monkeypatch.setattr(
          "argilla.client.datasets.DatasetBase._to_datasets_dict",
          lambda x: {
              "metadata": [{"int_or_str": 1}, {"int_or_str": "str"}]
          },
      )
  
      ds = DatasetBase()
      with pytest.warns(
          UserWarning,
          match="The 'metadata' of the records were removed",
      ):
          datasets_ds = ds.to_datasets()
          assert datasets_ds.features == {}
          assert len(datasets_ds) == 0
  
imports: import copy
  import os
  import sys
  from time import sleep
  import datasets
  import pandas
  import pytest
  import spacy
  from argilla.client.datasets import DatasetBase, DatasetForText2Text, DatasetForTextClassification, DatasetForTokenClassification, WrongRecordTypeError, read_datasets, read_pandas
  from argilla.client.models import Text2TextRecord, TextClassificationRecord, TokenClassificationRecord
  from argilla.datasets import TextClassificationSettings
label_desc: Use image node_id 6 for calling the TestDatasetBase obj's underlying member method code with example usage: obj.test_to_datasets(monkeypatch) without return types