code: def test_filtered_regimes(self):
      assert_allclose(
          self.result.filtered_marginal_probabilities[0],
          self.mar_filardo["filtered_0"].iloc[5:],
          atol=1e-5,
      )
  
imports: import warnings
  import os
  import numpy
  from numpy.testing import assert_equal, assert_allclose
  import pandas
  import pytest
  from statsmodels.tools import add_constant
  from statsmodels.tsa.regime_switching import markov_autoregression
label_desc: Use image node_id 4 for calling the TestFilardoPandas obj's underlying member method code with example usage: obj.test_filtered_regimes() without return types