code: def test_cdf_p2(self):
      n, p = zinegbin.convert_params(30, 0.1, 2)
      nbinom_cdf = nbinom.cdf(10, n, p)
      zinbinom_cdf = zinegbin.cdf(10, 30, 0.1, 2, 0)
      assert_allclose(nbinom_cdf, zinbinom_cdf, rtol=1e-12, atol=1e-12)
  
imports: import numpy
  from numpy.testing import assert_allclose, assert_equal
  from scipy import stats
  from scipy.stats import poisson, nbinom
  from statsmodels.tools.tools import Bunch
  from statsmodels.distributions.discrete import genpoisson_p, truncatedpoisson, truncatednegbin, zipoisson, zinegbin, zigenpoisson, DiscretizedCount, DiscretizedModel
label_desc: Use image node_id 3 for calling the TestZiNBP obj's underlying member method code with example usage: obj.test_cdf_p2() without return types