class_docstr: Unit test class for an already trained Kmeans model.
docstr: Ensure that model saving and loading retains all model information.
code: def test_save_and_load(self):
      """
      Ensure that model saving and loading retains all model information.
      """
      with test_util.TempDirectory() as f:
          self.model.save(f)
          self.model = tc.load_model(f)
  
          try:
              self.test__list_fields()
              self.test_get()
          except:
              assert (
                  False
              ), "List fields or get failed after save and load."
          try:
              self.test_summaries()
          except:
              assert (
                  False
              ), "Model summaries failed after save and load."
          del self.model
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import copy
  import numpy
  from numpy.testing import assert_allclose
  import turicreate
  from .None import util
  from turicreate.util import _assert_sframe_equal
  from turicreate.toolkits._main import ToolkitError
  import sys
label_desc: Use image node_id 5 for calling the KmeansModelTest obj's underlying member method code with example usage: obj.test_save_and_load() without return types