code: def test_bdtrin(self):
      _assert_inverts(
          sp.bdtrin,
          _binomial_cdf,
          1,
          [IntArg(1, 1000), ProbArg(), ProbArg()],
          rtol=1e-4,
          endpt_atol=[None, None, 1e-6],
      )
  
imports: import itertools
  import numpy
  from numpy.testing import assert_equal, assert_allclose
  import pytest
  import scipy.special
  from scipy.special._testutils import MissingModule, check_version, FuncData
  from scipy.special._mptestutils import Arg, IntArg, get_args, mpf2float, assert_mpmath_equal
label_desc: Use image node_id 2 for calling the TestCDFlib obj's underlying member method code with example usage: obj.test_bdtrin() without return types