code: def forward_xp(self, inputs, xp):
      x1, x2 = inputs
      return (xp.squared_error(x1, x2),)
  
imports: import numpy
  import chainer
  from chainer import functions
  import chainerx
  from chainerx_tests import dtype_utils
  from chainerx_tests import op_utils
label_desc: Use image node_id 1 for calling the TestSquaredError obj's underlying member method code with example usage: obj.forward_xp(inputs, xp) and returns: xp