code: def test_round(self, xp, scp, dtype):
      vals = xp.concatenate(
          (
              xp.linspace(-2, 2, 100, dtype=dtype),
              # test at half-integer locations
              xp.asarray(
                  [-2.5, -1.5, -0.5, 0.5, 1.5, 2.5], dtype=dtype
              ),
          )
      )
      return scp.special.round(vals)
  
imports: import math
  import cupy
  import numpy
  import pytest
  import cupyx.scipy.special
  from cupy import testing
  from cupy.testing import assert_array_equal, assert_array_almost_equal
  from cupy.testing import numpy_cupy_allclose
label_desc: Use image node_id 17 for calling the TestBasic obj's underlying member method code with example usage: obj.test_round(xp, scp, dtype) and returns: scp