[CI] Add test case to run examples scripts

.buildkite/test-pipeline.yaml

@@ -33,6 +33,18 @@ steps:
 - label: Entrypoints Test
   command: pytest -v -s entrypoints
 
+- label: Examples Test
+  working_dir: "/vllm-workspace/examples"
+  commands:
+    # install aws cli for llava_example.py
+    - pip install awscli
+    - python3 llava_example.py
+    - python3 llm_engine_example.py
+    - python3 multilora_inference.py
+    - python3 offline_inference_distributed.py
+    - python3 offline_inference_with_prefix.py
+    - python3 offline_inference.py
+
 - label: Kernels Test %N
   command: pytest -v -s kernels --shard-id=$$BUILDKITE_PARALLEL_JOB --num-shards=$$BUILDKITE_PARALLEL_JOB_COUNT
   parallelism: 4

examples/llava_example.py

@@ -72,13 +72,13 @@ def main(args):
                         help="image input type")
     args = parser.parse_args()
     # Download from s3
-    s3_bucket_path = "s3://air-example-data-2/vllm_opensource_llava/"
+    s3_bucket_path = "s3://anonymous@air-example-data-2/vllm_opensource_llava/"
     local_directory = "images"
 
     # Make sure the local directory exists or create it
     os.makedirs(local_directory, exist_ok=True)
 
-    # Use AWS CLI to sync the directory
+    # Use AWS CLI to sync the directory, assume anonymous access
     subprocess.check_call(
         ["aws", "s3", "sync", s3_bucket_path, local_directory])
     main(args)