code: def test_state_dict_sanity(middleware, named_model_space, engine):
      def middleware_fn():
          if middleware == "filter":
              return Filter(lambda model: model.sample["a"] >= 2)
          elif middleware == "dedup":
              return Deduplication("replay")
          elif middleware == "failure":
              return FailureHandler(metric=0.0)
          elif middleware == "multiple":
              return MultipleEvaluation(4)
  
      strategy = Chain(MockStrategy(), middleware_fn())
  
      _, model_space = named_model_space
      strategy(model_space, engine)
  
      state_dict = strategy.state_dict()
      strategy2 = Chain(MockStrategy(auto_check=False), middleware_fn())
      strategy2.load_state_dict(state_dict)
  
      engine.max_model_count += 10
      strategy2(model_space, engine)
  
imports: import random
  from collections import defaultdict, Counter
  import pytest
  from nni.mutable import SampleValidationError
  from nni.nas.execution import SequentialExecutionEngine
  from nni.nas.space import ModelStatus
  from nni.nas.strategy import Random, RegularizedEvolution, PolicyBasedRL, GridSearch, Strategy
  from nni.nas.strategy.base import StrategyStatus
  from nni.nas.strategy.middleware import Filter, Chain, Deduplication, FailureHandler, MultipleEvaluation
  from .test_sanity import named_model_space, engine, naive_policy
label_desc: Use image node_id 11 for calling a global function with example usage: test_state_dict_sanity(middleware, named_model_space, engine) and returns: Filter, Deduplication, FailureHandler, MultipleEvaluation