code: def run_once(self):
      (x_train, y_train), (x_test, y_test) = self.load_data()
      auto_model = self.get_auto_model()
  
      start_time = timeit.default_timer()
      auto_model.fit(x_train, y_train)
      stop_time = timeit.default_timer()
  
      accuracy = auto_model.evaluate(x_test, y_test)[1]
      total_time = stop_time - start_time
  
      return total_time, accuracy
  
file_path: autokeras/benchmark/experiments/experiment.py
imports: import shutil
  import timeit
label_desc: Use image node_id 4 for calling the Experiment obj's underlying member method code with example usage: obj.run_once() and returns: total_time,  accuracy