skip failed distributed on xpu

Author: zxd1997066

test/dtypes/test_nf4.py

@@ -757,7 +757,7 @@ def world_size(self) -> int:
         return 2
 
     @skip_if_lt_x_gpu(2)
-    @unittest.skipIf(not torch.accelerator.is_available(), "Need GPU available")
+    @unittest.skipIf(not torch.cuda.is_available(), "Need GPU available")
     def test_comm(self):
         self.run_subtests(
             {"input_size": [512, 2048]},