code: def output(self):
      return {
          "out1": self.make_target("./test/dummy1.pkl"),
          "out2": self.make_target("./test/dummy2.pkl"),
      }
  
imports: import logging
  import os
  import unittest
  from copy import copy
  import luigi
  import luigi.mock
  import gokart
  from gokart.build import GokartBuildError, LoggerConfig
label_desc: Use image node_id 1 for calling the _DummyTaskTwoOutputs obj's underlying member method code with example usage: obj.output() and returns: dict