code: def test_expn_array_inputs_2(self, xp, scp, dtype):
      x = testing.shaped_random((5, 3), xp, dtype)
      n = testing.shaped_random((5, 3), xp, dtype)
      return scp.special.expn(n, x)
  
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 8 for calling the TestExpn obj's underlying member method code with example usage: obj.test_expn_array_inputs_2(xp, scp, dtype) and returns: scp