code: def test_raw_one_thread(self):
      @jit.rawkernel()
      def f(x, y):
          y[0] = x[0]
  
      x = cupy.array([10], dtype=numpy.int32)
      y = cupy.array([20], dtype=numpy.int32)
      f((1,), (1,), (x, y))
      assert int(y[0]) == 10
  
imports: import numpy
  import pytest
  import cupy
  from cupyx import jit
  from cupy import testing
  from cupy.cuda import device
  from cupy.cuda import runtime
label_desc: Use image node_id 10 for calling the TestRaw obj's underlying member method code with example usage: obj.test_raw_one_thread() without return types