code: def test_tensordot_zero_length(self, xp, dtype):
      shape, axes = self.params
      a = testing.shaped_arange(shape, xp, dtype)
      return xp.tensordot(a, a, axes=axes)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestProductZeroLength obj's underlying member method code with example usage: obj.test_tensordot_zero_length(xp, dtype) and returns: xp