code: def setUp(self):
      super(FunctionalTest, self).setUp()
      model = _build_model()
      _train_model(model)
      self.model = model
      self.dataset = _get_dataset()
  
file_path: model-optimization/tensorflow_model_optimization/python/core/clustering/keras/mnist_clustering_test.py
imports: from absl.testing import parameterized
  import tensorflow
  from tensorflow_model_optimization.python.core.clustering.keras import cluster
  from tensorflow_model_optimization.python.core.clustering.keras import cluster_config
label_desc: Use image node_id 1 for calling the FunctionalTest obj's underlying member method code with example usage: obj.setUp() without return types