code: def testVariableRankUpdate(self):
      self._VariableRankTests(_NumpyUpdate, self._runScatterNd)
  
imports: import functools
  import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the ScatterNdTest obj's underlying member method code with example usage: obj.testVariableRankUpdate() without return types