[Test] Test NPU CI (#2553)

Signed-off-by: gcanlin <canlinguosdu@gmail.com>

.buildkite/pipeline-npu.yaml

@@ -79,8 +79,10 @@ steps:
       echo "--- Image pushed successfully"
       echo "$${IMAGE_REGISTRY}/$${IMAGE_NAME}:$${VLLM_IMAGE_TAG}"
 
-  - label: "Upload Test Pipeline"
+  - label: "Upload Ready Pipeline"
     depends_on: image-build
+    key: upload-ready-pipeline
+    if: build.branch != "main" && build.pull_request.labels includes "ready"
     agents:
       queue: "linux-aarch64-a2b3-1"
     command: |

.buildkite/test-npu-ready.yaml

@@ -0,0 +1,13 @@
+steps:
+  - label: "Simple Unit Test"
+    depends_on: upload-ready-pipeline
+    agents:
+      queue: "linux-aarch64-a2b3-1"
+    image: "swr.cn-southwest-2.myhuaweicloud.com/modelfoundry/vllm-omni-ci-npu:${BUILDKITE_COMMIT}"
+    plugins:
+      - kubernetes:
+          podSpecPatch:
+            imagePullSecrets:
+            - name: swr-secret
+    commands:
+      - "timeout 20m pytest -v -s -m 'core_model and cpu' --cov=vllm_omni --cov-branch --cov-report=term-missing --cov-report=html --cov-report=xml"