code: def setUp(self):
      super(PrunePreserveDefault8bitQuantizeRegistryTest, self).setUp()
      self.default_8bit_quantize_registry = (
          default_8bit_quantize_registry.Default8BitQuantizeRegistry()
      )
      self.prune_registry = prune_registry.PruneRegistry()
      self.prune_preserve_quantize_registry = (
          prune_preserve_quantize_registry.PrunePreserveQuantizeRegistry()
      )
  
file_path: model-optimization/tensorflow_model_optimization/python/core/quantization/keras/collab_opts/prune_preserve/prune_preserve_quantize_registry_test.py
imports: import tensorflow
  from tensorflow_model_optimization.python.core.quantization.keras import quantize_config
  from tensorflow_model_optimization.python.core.quantization.keras.collab_opts.prune_preserve import prune_preserve_quantize_registry
  from tensorflow_model_optimization.python.core.quantization.keras.default_8bit import default_8bit_quantize_registry
  from tensorflow_model_optimization.python.core.sparsity.keras import prune_registry
label_desc: Use image node_id 1 for calling the PrunePreserveDefault8bitQuantizeRegistryTest obj's underlying member method code with example usage: obj.setUp() without return types