code: def test_select_all_rows(dataframe):
      """Test output for select"""
      actual = dataframe.select(index="*")
      assert_frame_equal(actual, dataframe)
  
imports: import numpy
  import pandas
  import pytest
  from pandas.testing import assert_frame_equal
  from janitor.functions.utils import DropLabel
label_desc: Use image node_id 8 for calling a global function with example usage: test_select_all_rows(dataframe) without return types