Add log for UT random issues to debug

Signed-off-by: Cheng, Penghui <penghui.cheng@intel.com>

Author: PenghuiCheng

test/xpu/test_ops_xpu.py

@@ -1,8 +1,12 @@
 # Owner(s): ["module: intel"]
 
 
-from torch.testing._internal.common_device_type import instantiate_device_type_tests
-from torch.testing._internal.common_utils import run_tests
+import torch
+import torch._prims as prims
+import torch.utils._pytree as pytree
+import warnings
+from torch.testing._internal.common_device_type import instantiate_device_type_tests, onlyXPU, OpDTypes, ops
+from torch.testing._internal.common_utils import run_tests, slowTest, suppress_warnings
 
 try:
     from xpu_test_utils import XPUPatchForImport