code: def report(self):
      if self.count == 0:
          # initial score
          return {"loss": AverageMetric(3)}
      elif self.count == 1:
          # don't save the second validation
          return {"loss": AverageMetric(4)}
      else:
          # do save the third validation
          return {"loss": AverageMetric(2)}
  
imports: import os
  import unittest
  import json
  import parlai.utils.logging
  import parlai.utils.testing
  from parlai.utils.io import PathManager
  from parlai.core.metrics import AverageMetric
  from parlai.core.worlds import create_task
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.agents import register_agent, Agent
  from parlai.scripts.eval_model import get_task_world_logs
label_desc: Use image node_id 2 for calling the FakeReportAgent obj's underlying member method code with example usage: obj.report() and returns: dict, dict, dict