[CI] Make the test_pipeline_parallel run normally in full test (#3391)

### What this PR does / why we need it?
Make the test_pipeline_parallel take effect in full test of CI.

### Does this PR introduce _any_ user-facing change?
NA

### How was this patch tested?
NA

- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0

---------

Signed-off-by: leo-pony <nengjunma@outlook.com>

.github/workflows/_e2e_test.yaml

@@ -188,7 +188,7 @@ jobs:
           pytest -sv tests/e2e/multicard/test_offline_inference_distributed.py::test_models_distributed_Qwen_Dense_with_flashcomm_v1
           pytest -sv tests/e2e/multicard/test_offline_inference_distributed.py::test_models_distributed_Qwen_Dense_with_prefetch_mlp_weight
 
-          #pytest -sv tests/e2e/multicard/test_pipeline_parallel.py
+          pytest -sv tests/e2e/multicard/test_pipeline_parallel.py
           pytest -sv tests/e2e/multicard/test_prefix_caching.py
           pytest -sv tests/e2e/multicard/test_qwen3_moe.py
           pytest -sv tests/e2e/multicard/test_torchair_graph_mode.py

.github/workflows/vllm_ascend_test_full.yaml

@@ -51,6 +51,7 @@ jobs:
           filters: |
             e2e_tracker:
               - '.github/workflows/vllm_ascend_test.yaml'
+              - '.github/workflows/_e2e_test.yaml'
               - 'vllm_ascend/**'
               - 'csrc/**'
               - 'cmake/**'