code: def test_array_equiv_diff_length(self, xp, dtype):
      a = xp.array([0, 4, 0, 5], dtype=dtype)
      b = xp.array([0, 4, 0], dtype=dtype)
      return xp.array_equiv(a, b)
  
imports: import operator
  import unittest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestArrayEquiv obj's underlying member method code with example usage: obj.test_array_equiv_diff_length(xp, dtype) and returns: xp