class_docstr: A mock result compiler with unit filtering, based on worker id.
code: def is_unit_acceptable(self, unit_data):
      REJECTED_WORKER_ID = 2
      return unit_data["worker_id"] != REJECTED_WORKER_ID
  
imports: import unittest
  from typing import Any, Dict, List
  from parlai.crowdsourcing.utils.analysis import AbstractResultsCompiler
  from collections import defaultdict
label_desc: Use image node_id 1 for calling the MockResultsCompilerWithFilter obj's underlying member method code with example usage: obj.is_unit_acceptable(unit_data) and returns: unknown