class_docstr: Unit tests for the clustering_centroids module.
class_docstr_tok: ["Unit","tests","for","the","clustering_centroids","module","."]
code: def setUp(self):
      super(ClusteringCentroidsTest, self).setUp()
      self.factory = clustering_centroids.CentroidsInitializerFactory
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_model_optimization.python.core.clustering.keras import cluster_config
  from tensorflow_model_optimization.python.core.clustering.keras import clustering_centroids
label_desc: Use image node_id 1 for calling the ClusteringCentroidsTest obj's underlying member method code with example usage: obj.setUp() without return types