【fix】ops gatingtopk fix nightly ci error (#4340)

### What this PR does / why we need it?
This pr https://github.com/vllm-project/vllm-ascend/pull/2958 is
supporting gatingtopk operator generalization, but caused nightly ci
error.
Now we add check logits for ops gatingtopk, and fix nightly ci.

- vLLM version: v0.12.0

Signed-off-by: 1092626063 <1092626063@qq.com>

tests/e2e/nightly/ops/test_fused_moe.py

@@ -28,7 +28,8 @@ import torch
 import torch_npu
 from vllm.model_executor.layers.activation import SiluAndMul
 
-from vllm_ascend.ops.fused_moe.experts_selector import select_experts
+from vllm_ascend.ops.fused_moe.experts_selector import (
+    check_npu_moe_gating_top_k, select_experts)
 from vllm_ascend.ops.fused_moe.moe_mlp import unified_apply_mlp
 from vllm_ascend.ops.fused_moe.token_dispatcher import \
     TokenDispatcherWithAllGather
@@ -303,7 +304,10 @@ def test_select_experts(
             e_score_correction_bias=e_score_correction_bias,
         )
 
-        if use_grouped_topk:
+        call_moe_gatingtopk = check_npu_moe_gating_top_k(
+            hidden_states, topk, topk_group, num_expert_group, scoring_func,
+            custom_routing_function)
+        if not call_moe_gatingtopk and use_grouped_topk:
             mock_native_grouped_topk.assert_called_once()
         else:
             mock_native_grouped_topk.assert_not_called()