code: def test_copyto(self, xp, dtype):
      dst = xp.ones(self.dst_shape, dtype=dtype)
      xp.copyto(dst, self.src)
      return dst
  
imports: import itertools
  import warnings
  import numpy
  import pytest
  import cupy
  from cupy import cuda
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestCopytoFromScalar obj's underlying member method code with example usage: obj.test_copyto(xp, dtype) and returns: dst