run op_ut only

Author: daisyden

test/xpu/extended/skip_list_common.py

@@ -1,5 +1,6 @@
 skip_dict = {
     "test_ops_xpu.py": (
+        "test_compare_cpu_gather_xpu_bfloat16",
         # Calculation error between XPU implementation and CPU implementation,
         # 1. Compiler optimization causes failing to promote data type to higher precision.
         # 2. Accumulate error is amplified by some operations in some extreme cases. (std::exp(extreme_large_num))