code: def test_periodic_axis(self, xp, scp):
      x, y = self.get_xy(xp)
      n = x.shape[0]
      _np.random.seed(1234)
      x = _np.random.random_sample(n) * 2 * _np.pi
      x = _np.sort(x)
      if xp is cupy:
          x = cupy.asarray(x)
      x[0] = 0.0
      x[-1] = 2 * xp.pi
      y = xp.zeros((2, n))
      y[0] = xp.sin(x)
      y[1] = xp.cos(x)
      b = scp.interpolate.make_interp_spline(
          x, y, k=5, bc_type="periodic", axis=1
      )
      return b(x)
  
imports: import pytest
  import cupy
  from cupy import testing
  from cupy.cuda import runtime
  import numpy
  import cupyx.scipy.interpolate
label_desc: Use image node_id 5 for calling the TestInterpPeriodic obj's underlying member method code with example usage: obj.test_periodic_axis(xp, scp) and returns: b