code: def test_multiple_rhs(self, xp, scp):
      x, _ = self.get_xy(xp)
      yy = xp.c_[xp.sin(x), xp.cos(x)]
      der_l = [(1, [1.0, 2.0])]
      der_r = [(1, [3.0, 4.0])]
  
      b = scp.interpolate.make_interp_spline(
          x, yy, k=3, bc_type=(der_l, der_r)
      )
      return b(x), b(x[0], 1), b(x[-1], 1)
  
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 22 for calling the TestInterp obj's underlying member method code with example usage: obj.test_multiple_rhs(xp, scp) and returns: b,  b,  b