code: def testPow(self):
      self._testBinOp(
          [4, 5], [3, 2], [64, 25], lambda a, b: a.__pow__(b)
      )
  
imports: from collections import abc
  import numpy
  import tensorflow.compat.v2
  from trax.tf_numpy.numpy_impl import arrays
  from trax.tf_numpy.numpy_impl import math_ops
label_desc: Use image node_id 11 for calling the ArrayTest obj's underlying member method code with example usage: obj.testPow() without return types