code: def test_count_get_sigma(
      self,
      metric: pipeline_dp.Metric,
      base_std: float,
      noise_kind: pipeline_dp.NoiseKind,
      l0: float,
      linf: float,
      expected: float,
  ):
      estimator = self._get_estimator(
          metric=metric, base_std=base_std, noise_kind=noise_kind
      )
      self.assertAlmostEqual(
          estimator._get_stddev(l0, linf), expected, delta=1e-10
      )
  
file_path: pipelinedp/tests/dataset_histograms/histogram_error_estimator_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import pipeline_dp
  from pipeline_dp.dataset_histograms import histograms
  from pipeline_dp.dataset_histograms import computing_histograms
  from pipeline_dp.dataset_histograms import histogram_error_estimator
label_desc: Use image node_id 3 for calling the HistogramErrorEstimatorTest obj's underlying member method code with example usage: obj.test_count_get_sigma(metric, base_std, noise_kind, l0, linf, expected) without return types