code: def test_scalar(self, xp, dtype):
      x = testing.shaped_arange((2, 3, 4), xp, dtype)
      if xp is numpy:
          y = numpy.array(self.value).astype(dtype)
          return x + y
      else:
          kernel = cupy.ElementwiseKernel(
              "T x, T y", "T z", "z = x + y"
          )
          return kernel(x, self.value)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.cuda import runtime
  from cupy.cuda.texture import ChannelFormatDescriptor, CUDAarray, ResourceDescriptor, TextureDescriptor, TextureObject
label_desc: Use image node_id 1 for calling the TestUserkernelScalar obj's underlying member method code with example usage: obj.test_scalar(xp, dtype) and returns: unknown, kernel