code: def test_3d(self, xp, dtype):
      a = xp.arange(27, dtype=dtype).reshape((3, 3, 3))
      return xp.apply_along_axis(xp.sum, self.axis, a)
  
file_path: cupy/tests/cupy_tests/lib_tests/test_shape_base.py
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestApplyAlongAxis obj's underlying member method code with example usage: obj.test_3d(xp, dtype) and returns: xp