code: def test_save_and_load_figure(self):
      figure_binary = io.BytesIO()
      pd.DataFrame(dict(x=range(10), y=range(10))).plot.scatter(
          x="x", y="y"
      )
      pyplot.savefig(figure_binary)
      figure_binary.seek(0)
      file_path = os.path.join(_get_temporary_directory(), "test.png")
      target = make_target(file_path=file_path, unique_id=None)
      target.dump(figure_binary.read())
  
      loaded = target.load()
      self.assertGreater(len(loaded), 1000)
  
imports: import io
  import os
  import shutil
  import unittest
  from datetime import datetime
  from unittest.mock import patch
  import boto3
  import numpy
  import pandas
  from matplotlib import pyplot
  from moto import mock_s3
  from gokart.file_processor import _ChunkedLargeFileReader
  from gokart.target import make_model_target, make_target
label_desc: Use image node_id 6 for calling the LocalTargetTest obj's underlying member method code with example usage: obj.test_save_and_load_figure() without return types