code: def test_copyto_scalarwhere(xp, dtype, where, shape):
      dst = xp.zeros(shape, dtype=dtype)
      src = xp.ones(shape, dtype=dtype)
      xp.copyto(dst, src, where=where)
      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 a global function with example usage: test_copyto_scalarwhere(xp, dtype, where, shape) and returns: dst