code: def testMul(self):
      self._testBinOp([1, 2], [3, 4], [3, 8], lambda a, b: a.__mul__(b))
  
imports: import numpy
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.util import nest
label_desc: Use image node_id 9 for calling the ArrayTest obj's underlying member method code with example usage: obj.testMul() without return types