code: def setUp(self):
      super(
          ClusterPreserveDefault8bitQuantizeRegistryTest, self
      ).setUp()
      self.default_8bit_quantize_registry = (
          default_8bit_quantize_registry.Default8BitQuantizeRegistry()
      )
      self.cluster_registry = clustering_registry.ClusteringRegistry()
      # Test CQAT by default
      self.cluster_preserve_quantize_registry = cluster_preserve_quantize_registry.ClusterPreserveQuantizeRegistry(
          False
      )
  
file_path: model-optimization/tensorflow_model_optimization/python/core/quantization/keras/collab_opts/cluster_preserve/cluster_preserve_quantize_registry_test.py
imports: import tensorflow
  from tensorflow_model_optimization.python.core.clustering.keras import clustering_registry
  from tensorflow_model_optimization.python.core.quantization.keras import quantize_config
  from tensorflow_model_optimization.python.core.quantization.keras.collab_opts.cluster_preserve import cluster_preserve_quantize_registry
  from tensorflow_model_optimization.python.core.quantization.keras.default_8bit import default_8bit_quantize_registry
label_desc: Use image node_id 1 for calling the ClusterPreserveDefault8bitQuantizeRegistryTest obj's underlying member method code with example usage: obj.setUp() without return types