code: def test_void_dtype_arg():
      # Basic test for the dtype argument (positional and keyword)
      res = np.void((1, 2), dtype="i,i")
      assert res.item() == (1, 2)
      res = np.void((2, 3), "i,i")
      assert res.item() == (2, 3)
  
imports: import pytest
  import numpy
  from numpy.testing import assert_equal, assert_almost_equal, assert_warns
label_desc: Use image node_id 4 for calling a global function with example usage: test_void_dtype_arg() without return types