code: def test_raw_grid_invalid1(self):
      @jit.rawkernel()
      def f():
          (x,) = jit.grid(1)  # cannot unpack an int
  
      with pytest.raises(ValueError):
          f((1,), (1,), ())
  
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 4 for calling the TestRaw obj's underlying member method code with example usage: obj.test_raw_grid_invalid1() without return types