code: def setup_class(self):
      # provide mountable tmp directory for docker
      tempfile.tempdir = (
          "/tmp" if not platform.system() == "Windows" else None
      )
      test_datmo_dir = os.environ.get(
          "TEST_DATMO_DIR", tempfile.gettempdir()
      )
      self.temp_dir = tempfile.mkdtemp(dir=test_datmo_dir)
      Config().set_home(self.temp_dir)
      self.cli = Helper()
  
file_path: datmo/datmo/cli/command/tests/test_datmo.py
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  import tempfile
  import platform
  from datmo.config import Config
  from datmo.cli.driver.helper import Helper
  from datmo.cli.command.datmo_command import DatmoCommand
label_desc: Use image node_id 1 for calling the TestDatmo obj's underlying member method code with example usage: obj.setup_class() without return types