code: def testTop3Vector(self):
      inputs = [3, 6, 15, 18, 6, 12, 1, 17, 3, 0, 4, 19, 1, 6]
      self._validateTopK(inputs, 3, [19, 18, 17], [11, 3, 7])
  
imports: import itertools
  import sys
  import numpy
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import resource_variable_ops
  import tensorflow.python.ops.nn_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 17 for calling the TopKTest obj's underlying member method code with example usage: obj.testTop3Vector() without return types