code: def test_get_indexer(self):
      index1 = Index([1, 2, 3, 4, 5])
      index2 = Index([2, 4, 6])
  
      r1 = index1.get_indexer(index2)
      e1 = np.array([1, 3, -1], dtype=np.intp)
      tm.assert_almost_equal(r1, e1)
  
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 TestGetIndexer obj's underlying member method code with example usage: obj.test_get_indexer() without return types