code: def test_results(self):
      res = self.res
      res2 = self.res2
  
      res_ = [
          res.kappa,
          res.std_kappa,
          res.kappa_low,
          res.kappa_upp,
          res.std_kappa0,
          res.z_value,
          res.pvalue_one_sided,
          res.pvalue_two_sided,
      ]
  
      assert_almost_equal(res_, res2, decimal=4)
      assert_equal(str(res), self.res_string)
  
imports: import numpy
  from numpy.testing import assert_almost_equal, assert_equal, assert_allclose
  from statsmodels.stats.inter_rater import fleiss_kappa, cohens_kappa, to_table, aggregate_raters
  from statsmodels.tools.testing import Holder
label_desc: Use image node_id 1 for calling the CheckCohens obj's underlying member method code with example usage: obj.test_results() without return types