code: def test_sample_examples_open_ended_generation(self):
      adapter_spec = AdapterSpec(
          method=ADAPT_GENERATION,
          model="openai/ada",
          max_train_instances=3,
      )
      adapter = AdapterFactory.get_adapter(
          adapter_spec, self.tokenizer_service
      )
  
      all_train_instances: List[Instance] = [
          Instance(
              Input(text=f"prompt{i}"),
              references=[
                  Reference(
                      Output(text=f"reference{i}"), tags=[CORRECT_TAG]
                  )
              ],
          )
          for i in range(1, 10)
      ]
      seed0_examples: List[Instance] = adapter.sample_examples(
          all_train_instances, seed=0
      )
      seed1_examples: List[Instance] = adapter.sample_examples(
          all_train_instances, seed=1
      )
  
      assert len(seed0_examples) == len(seed1_examples) == 3
      assert (
          seed0_examples != seed1_examples
      ), "Examples should differ when changing the seed"
  
file_path: H2O/h2o_hf/helm/src/helm/benchmark/adaptation/adapters/test_generation_adapter.py
imports: from typing import List
  from helm.benchmark.scenarios.scenario import CORRECT_TAG, create_scenario, Instance, Reference, Input, Output
  from helm.benchmark.run_specs import get_scenario_spec1, get_adapter_spec1
  from helm.benchmark.adaptation.prompt import Prompt
  from helm.benchmark.adaptation.adapter_spec import AdapterSpec
  from .adapter_factory import AdapterFactory, ADAPT_GENERATION
  from .test_adapter import TestAdapter
label_desc: Use image node_id 5 for calling the TestGenerationAdapter obj's underlying member method code with example usage: obj.test_sample_examples_open_ended_generation() without return types