code: def test_expn_zero_values_2(self, xp, scp, dtype):
      return scp.special.expn(0.0, 2)
  
file_path: cupy/tests/cupyx_tests/scipy_tests/special_tests/test_expn.py
imports: import cupyx.scipy.special
  from cupy import testing
  from cupy.testing import numpy_cupy_allclose
label_desc: Use image node_id 6 for calling the TestExpn obj's underlying member method code with example usage: obj.test_expn_zero_values_2(xp, scp, dtype) and returns: scp