code: def test_betaln_specific_vals(self):
      # specific values borrowed from SciPy test suite
      special = cupyx.scipy.special
      testing.assert_allclose(special.betaln(1, 1), 0.0, atol=1e-10)
      testing.assert_allclose(
          special.betaln(-100.3, 1e-200), special.gammaln(1e-200)
      )
      testing.assert_allclose(
          special.betaln(0.0342, 170),
          3.1811881124242447,
          rtol=1e-14,
          atol=0,
      )
  
file_path: cupy/tests/cupyx_tests/scipy_tests/special_tests/test_beta.py
imports: import numpy
  import pytest
  import cupy
  from cupy import testing
  import cupyx.scipy.special
label_desc: Use image node_id 6 for calling the TestBeta obj's underlying member method code with example usage: obj.test_betaln_specific_vals() without return types