code: def test_increase_max_tokens_length(self):
      # Test that each Instance is given a unique ID and is preserved through data augmentation
      run_expander = IncreaseMaxTokensRunExpander(42)
  
      original_run_spec = RunSpec(
          name="test:test=test",
          scenario_spec=ScenarioSpec(
              class_name="FakeScenario", args={}
          ),
          adapter_spec=AdapterSpec(max_tokens=137),
          metric_specs=[],
      )
      actual_run_specs = run_expander.expand(original_run_spec)
      expected_run_specs = [
          RunSpec(
              name="test:test=test",
              scenario_spec=ScenarioSpec(
                  class_name="FakeScenario", args={}
              ),
              adapter_spec=AdapterSpec(max_tokens=137 + 42),
              metric_specs=[],
          )
      ]
      self.assertListEqual(actual_run_specs, expected_run_specs)
  
file_path: H2O/h2o_hf/helm/src/helm/benchmark/test_run_expander.py
imports: import unittest
  from helm.benchmark.adaptation.adapter_spec import AdapterSpec
  from helm.benchmark.run_expander import IncreaseMaxTokensRunExpander
  from helm.benchmark.runner import RunSpec
  from helm.benchmark.scenarios.scenario import ScenarioSpec
label_desc: Use image node_id 1 for calling the RunExpanderTest obj's underlying member method code with example usage: obj.test_increase_max_tokens_length() without return types