code: def __setup(self):
      Config().set_home(self.temp_dir)
      self.project_controller = ProjectController()
      self.project_controller.init("test", "test description")
      self.task_controller = TaskController()
      self.snapshot_controller = SnapshotController()
  
imports: import os
  import tempfile
  import platform
  from io import open, TextIOWrapper
  from datmo.config import Config
  from datmo.core.controller.project import ProjectController
  from datmo.core.controller.environment.environment import EnvironmentController
  from datmo.core.controller.task import TaskController
  from datmo.core.controller.snapshot import SnapshotController
  from datmo.core.entity.snapshot import Snapshot
  from datmo.core.util.exceptions import EntityNotFound, RequiredArgumentMissing, TaskNotComplete, InvalidArgumentType, ProjectNotInitialized, InvalidProjectPath, DoesNotExist, UnstagedChanges
  from datmo.core.util.misc_functions import check_docker_inactive, pytest_docker_environment_failed_instantiation
label_desc: Use image node_id 3 for calling the TestSnapshotController obj's underlying member method code with example usage: obj.__setup() without return types