class_docstr: Tests TF and Sonnet run concurrently produce equivalent output.
code: def _make_tf(self, learning_rate, momentum, use_nesterov):
      raise NotImplementedError()
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from sonnet.src import base
  from sonnet.src import test_utils
  import tensorflow
  import tree
label_desc: Use image node_id 1 for calling the AbstractFuzzTest obj's underlying member method code with example usage: obj._make_tf(learning_rate, momentum, use_nesterov) without return types