class_docstr: Test that mutators work with teachers.
class_docstr_tok: ["Test","that","mutators","work","with","teachers","."]
code: def _run_through(self, task, mutators):
      pp = ParlaiParser(True, False)
      opt = pp.parse_kwargs(task=task, mutators=mutators)
      teacher = create_task_agent_from_taskname(opt)[0]
      outputs = []
      for _ in range(5):
          outputs.append(teacher.act())
      return outputs
  
imports: import unittest
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.teachers import create_task_agent_from_taskname
  from parlai.core.message import Message
label_desc: Use image node_id 1 for calling the TestIntegrations obj's underlying member method code with example usage: obj._run_through(task, mutators) and returns: outputs