docstr: Test that it can be called with hide_index=False param.
code: def test_hide_index_false(self):
      """Test that it can be called with hide_index=False param."""
      data_df = pd.DataFrame(
          {
              "a": pd.Series([1, 2]),
              "b": pd.Series(["foo", "bar"]),
          }
      )
  
      st.data_editor(data_df, hide_index=False)
  
      proto = self.get_delta_from_queue().new_element.arrow_data_frame
      self.assertEqual(
          proto.columns,
          json.dumps({INDEX_IDENTIFIER: {"hidden": False}}),
      )
  
imports: from __future__ import annotations
  import datetime
  import json
  import unittest
  from decimal import Decimal
  from typing import Any, Dict, List, Mapping
  from unittest.mock import MagicMock, patch
  import numpy
  import pandas
  import pyarrow
  from parameterized import parameterized
  import streamlit
  from streamlit.elements.lib.column_config_utils import INDEX_IDENTIFIER, ColumnDataKind, determine_dataframe_schema
  from streamlit.elements.widgets.data_editor import _apply_cell_edits, _apply_dataframe_edits, _apply_row_additions, _apply_row_deletions, _check_column_names, _check_type_compatibilities, _parse_value
  from streamlit.errors import StreamlitAPIException
  from streamlit.proto.Arrow_pb2 import Arrow
  from streamlit.type_util import DataFormat, bytes_to_data_frame, is_pandas_version_less_than
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
  from tests.streamlit.data_mocks import SHARED_TEST_CASES, TestCaseMetadata
label_desc: Use image node_id 11 for calling the DataEditorTest obj's underlying member method code with example usage: obj.test_hide_index_false() without return types