code: def test_graph_reg_model_two_neighbors_training(
      self, dense_layer_index, model_fn
  ):
      self._test_training_with_two_neighbors(
          dense_layer_index, model_fn
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import parameterized
  from neural_structured_learning import configs
  from research.carls import graph_regularization
  from research.carls import neighbor_cache_client
  import numpy
  import tensorflow
  from google.protobuf import text_format
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 6 for calling the GraphRegularizationWithCachingTest obj's underlying member method code with example usage: obj.test_graph_reg_model_two_neighbors_training(dense_layer_index, model_fn) without return types