code: def test_where(self, listlike_box, index):
      cond = [True] * len(index)
      expected = index
      result = index.where(listlike_box(cond))
  
      cond = [False] + [True] * (len(index) - 1)
      expected = Index(
          [index._na_value] + index[1:].tolist(), dtype=np.float64
      )
      result = index.where(listlike_box(cond))
      tm.assert_index_equal(result, expected)
  
imports: import numpy
  import pytest
  from pandas.errors import InvalidIndexError
  from pandas import NA, Index, RangeIndex, Series, Timestamp
  import pandas._testing
  from pandas.core.arrays import ArrowExtensionArray, FloatingArray
label_desc: Use image node_id 1 for calling the TestWhere obj's underlying member method code with example usage: obj.test_where(listlike_box, index) without return types