code: def test_extract_shape_mismatch(self, xp):
      a = testing.shaped_arange((2, 3), xp)
      b = xp.array([[True, False], [True, False], [True, False]])
      return xp.extract(b, a)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 26 for calling the TestIndexing obj's underlying member method code with example usage: obj.test_extract_shape_mismatch(xp) and returns: xp