Skip flaky test_autocast_cpu test (#8580)

Author: NicolasHug

Diff for: test/test_ops.py

@@ -507,11 +507,13 @@ def test_autocast(self, aligned, deterministic, x_dtype, rois_dtype):
                 rois_dtype=rois_dtype,
             )
 
+    @pytest.mark.skip(reason="1/5000 flaky failure")
     @pytest.mark.parametrize("aligned", (True, False))
     @pytest.mark.parametrize("deterministic", (True, False))
     @pytest.mark.parametrize("x_dtype", (torch.float, torch.bfloat16))
     @pytest.mark.parametrize("rois_dtype", (torch.float, torch.bfloat16))
     def test_autocast_cpu(self, aligned, deterministic, x_dtype, rois_dtype):
+
         with torch.cpu.amp.autocast():
             self.test_forward(
                 torch.device("cpu"),