code: def test_qspline_eval(self, xp, scp):
      x = [-3, -2, -1, 0, 1, 2, 3, 4, 5, 6]
      dx = x[1] - x[0]
      newx = [
          -6.0,
          -5.5,
          -5.0,
          -4.5,
          -4.0,
          -3.5,
          -3.0,
          -2.5,
          -2.0,
          -1.5,
          -1.0,
          -0.5,
          0.0,
          0.5,
          1.0,
          1.5,
          2.0,
          2.5,
          3.0,
          3.5,
          4.0,
          4.5,
          5.0,
          5.5,
          6.0,
          6.5,
          7.0,
          7.5,
          8.0,
          8.5,
          9.0,
          9.5,
          10.0,
          10.5,
          11.0,
          11.5,
          12.0,
          12.5,
      ]
      y = xp.asarray(
          [
              4.216,
              6.864,
              3.514,
              6.203,
              6.759,
              7.433,
              7.874,
              5.879,
              1.396,
              4.094,
          ]
      )
      cj = scp.signal.qspline1d(y)
      return scp.signal.qspline1d_eval(cj, newx, dx=dx, x0=x[0])
  
imports: import sys
  import unittest
  import pytest
  import cupy
  from cupy import testing
  import cupyx.scipy.signal
  import numpy
label_desc: Use image node_id 2 for calling the TestQSplineEval obj's underlying member method code with example usage: obj.test_qspline_eval(xp, scp) and returns: scp