code: def test_summary(self):
      summ = self.res1.summary()
      check_str = "P>|t|" if self.res1.use_t else "P>|z|"
      assert check_str in str(summ)
  
imports: import numpy
  from scipy import stats
  from statsmodels.base.model import GenericLikelihoodModel
  from numpy.testing import assert_array_less, assert_almost_equal, assert_allclose
label_desc: Use image node_id 1 for calling the CheckGenericMixin obj's underlying member method code with example usage: obj.test_summary() without return types