code: def test_init(self):
      runnable = Pipeline()
      result = EvaluationResult(
          runnable=runnable, inputs=[], outputs=[], expected_outputs=[]
      )
  
      assert result.runnable == runnable
      assert result.inputs == []
      assert result.outputs == []
      assert result.expected_outputs == []
  
file_path: haystack/test/evaluation/test_eval.py
imports: from unittest.mock import MagicMock
  from haystack.core.pipeline import Pipeline
  from haystack.evaluation.eval import EvaluationResult
  from haystack.evaluation.metrics import Metric
label_desc: Use image node_id 1 for calling the TestEvaluationResult obj's underlying member method code with example usage: obj.test_init() without return types