docstr: The intrinsic velocity of a dissipative soliton at the Drift bifurcation point is zero.
docstr_tok: ["The","intrinsic","velocity","of","a","dissipative","soliton","at","the","Drift","bifurcation","point","is","zero","."]
code: def test_intrinsic_velocity_at_default_bifurcation_point(self):
      """
      The intrinsic velocity of a dissipative soliton at the Drift bifurcation point is zero.
      """
      ds = velocity(tau=1.0 / 0.3)
      self.assertEqual(ds.deterministic, 0.0)
  
imports: import unittest
  import dask.dataframe
  import numpy
  import pandas
  from tsfresh import extract_features, extract_relevant_features
  from tsfresh.examples.driftbif_simulation import load_driftbif, sample_tau, velocity
  from tsfresh.feature_extraction import MinimalFCParameters
label_desc: Use image node_id 2 for calling the DriftBifSimlationTestCase obj's underlying member method code with example usage: obj.test_intrinsic_velocity_at_default_bifurcation_point() without return types