code: def _create_save_v2_model(self):
      root = autotrackable.AutoTrackable()
      save_dir = os.path.join(self.get_temp_dir(), "saved_model")
      save.save(root, save_dir)
      return save_dir
  
imports: import os
  from google.protobuf import json_format
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.saved_model import builder
  from tensorflow.python.saved_model import builder_impl
  from tensorflow.python.saved_model import fingerprinting
  from tensorflow.python.saved_model import load
  from tensorflow.python.saved_model import load_v1_in_v2
  from tensorflow.python.saved_model import loader_impl
  from tensorflow.python.saved_model import save
  from tensorflow.python.saved_model.pywrap_saved_model import metrics
  from tensorflow.python.trackable import autotrackable
label_desc: Use image node_id 1 for calling the MetricsTests obj's underlying member method code with example usage: obj._create_save_v2_model() and returns: save_dir