code: def test_x_and_dtype(self, ufunc):
      x = self.get_x(ufunc)
      res = ufunc(x, dtype="float")
      assert res.dtype == np.dtype("float")
  
imports: import operator
  from unittest import skipIf, SkipTest
  from pytest import raises
  from torch.testing._internal.common_utils import instantiate_parametrized_tests, parametrize, run_tests, TEST_WITH_TORCHDYNAMO, TestCase
label_desc: Use image node_id 3 for calling the TestUnaryUfuncs obj's underlying member method code with example usage: obj.test_x_and_dtype(ufunc) without return types