code: def test_run_with_no_label(self):
      dataset = lit_dataset.Dataset(None, None)
      inputs = [{}, {}, {}]
      results = self.interpreter.run(
          inputs, testing_utils.RegressionModelForTesting({}), dataset
      )
      expected = [
          {"scores": dtypes.RegressionResult(0, None, None)},
          {"scores": dtypes.RegressionResult(0, None, None)},
          {"scores": dtypes.RegressionResult(0, None, None)},
      ]
      self.assertEqual(expected, results)
  
file_path: lit/lit_nlp/components/regression_results_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.api import dataset
  from lit_nlp.api import dtypes
  from lit_nlp.api import model
  from lit_nlp.components import regression_results
  from lit_nlp.lib import testing_utils
label_desc: Use image node_id 4 for calling the RegressionResultsTest obj's underlying member method code with example usage: obj.test_run_with_no_label() without return types