code: def get_test_nested_examples():
      return [
          (i, {"a": {"b": [content]}})
          for i, content in enumerate(["foo", "bar", "foobar"])
      ]
  
imports: import os
  import tempfile
  from functools import partial
  from unittest import TestCase
  from unittest.mock import patch
  import datasets
  import datasets.config
  from .utils import require_beam
label_desc: Use image node_id 2 for calling a global function with example usage: get_test_nested_examples() and returns: unknown