code: def test_compute_sum_laplace_gaussian_quantiles(
      self,
      laplace_b: float,
      gaussian_sigma: float,
      quantiles_to_compute: Sequence[float],
      expected_quantiles: Sequence[float],
  ):
      computed_quantiles = probability_computations.compute_sum_laplace_gaussian_quantiles(
          laplace_b, gaussian_sigma, quantiles_to_compute, 4 * 10**6
      )
      self.assertSequenceAlmostEqual(
          expected_quantiles, computed_quantiles, delta=0.015
      )
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from typing import Sequence
  from analysis import probability_computations
label_desc: Use image node_id 1 for calling the ProbabilityComputationsTest obj's underlying member method code with example usage: obj.test_compute_sum_laplace_gaussian_quantiles(laplace_b, gaussian_sigma, quantiles_to_compute, expected_quantiles) without return types