code: def test_scenario_streams(self):
      # streams should be indexable
      sa = EagerCLStream(
          "a",
          [
              CLExperience(1, None),
              CLExperience(2, None),
              CLExperience(3, None),
          ],
          None,
      )
      sb = EagerCLStream(
          "b", [CLExperience(12, None), CLExperience(13, None)], None
      )
      bench = CLScenario([sa, sb])
  
      bench.a_stream
      bench.b_stream
  
file_path: avalanche/tests/benchmarks/scenarios/test_generic_scenario.py
imports: import unittest
  from avalanche.benchmarks.scenarios.generic_scenario import CLExperience, EagerCLStream, CLScenario, CLStream, MaskedAttributeError
label_desc: Use image node_id 1 for calling the ScenarioTests obj's underlying member method code with example usage: obj.test_scenario_streams() without return types