code: def test_more(self):
      # from Stata `overid`
      J_df = 1
      J_p = 0.332254330027383
      J = 0.940091427212973
  
      j, jpval, jdf = self.res1.jtest()
  
      assert_allclose(jpval, J_p, rtol=5e-5, atol=0)
  
imports: from statsmodels.compat.python import lmap
  import numpy
  import pandas
  from scipy import stats
  import pytest
  from statsmodels.regression.linear_model import OLS
  from statsmodels.sandbox.regression import gmm
  from numpy.testing import assert_allclose, assert_equal
label_desc: Use image node_id 2 for calling the TestGMMMultTwostepCenter obj's underlying member method code with example usage: obj.test_more() without return types