code: def test_A(self):
      assert_almost_equal(self.res1.A, self.res2.A, DECIMAL_4)
  
file_path: statsmodels/statsmodels/tsa/vector_ar/tests/test_svar.py
imports: from statsmodels.compat.platform import PLATFORM_WIN
  import numpy
  from numpy.testing import assert_allclose, assert_almost_equal
  import pytest
  import statsmodels.datasets.macrodata
  from statsmodels.tsa.vector_ar.svar_model import SVAR
label_desc: Use image node_id 3 for calling the TestSVAR obj's underlying member method code with example usage: obj.test_A() without return types