code: def setup_agent_or_teacher(self, class_type, round_opt, opt):
      full_opts = {**round_opt, **opt}
      full_opts["datatype"] = "DUMMY"
      full_opts["datafile"] = "DUMMY"
      return class_type(full_opts)
  
imports: import unittest
  import copy
  import parlai.core.tod.tod_core
  import parlai.core.tod.tod_test_utils.test_agents
label_desc: Use image node_id 1 for calling the TestLowShot obj's underlying member method code with example usage: obj.setup_agent_or_teacher(class_type, round_opt, opt) and returns: class_type