[ci] Use env var to control whether to use S3 bucket in CI (#13634)

tests/mq_llm_engine/test_error_handling.py

@@ -21,10 +21,8 @@ from vllm.lora.request import LoRARequest
 from vllm.usage.usage_lib import UsageContext
 from vllm.utils import FlexibleArgumentParser
 
-MODEL = "s3://vllm-ci-model-weights/gemma-1.1-2b-it"
-ENGINE_ARGS = AsyncEngineArgs(model=MODEL,
-                              load_format="runai_streamer",
-                              enforce_eager=True)
+MODEL = "google/gemma-1.1-2b-it"
+ENGINE_ARGS = AsyncEngineArgs(model=MODEL, enforce_eager=True)
 RAISED_ERROR = KeyError
 RAISED_VALUE = "foo"