Allow overriding MODEL_IDS for inference test

llama_stack/providers/tests/inference/test_inference.py

@@ -5,6 +5,7 @@
 # the root directory of this source tree.
 
 import itertools
+import os
 
 import pytest
 import pytest_asyncio
@@ -50,14 +51,17 @@ def get_expected_stop_reason(model: str):
     return StopReason.end_of_message if "Llama3.1" in model else StopReason.end_of_turn
 
 
+if "MODEL_IDS" not in os.environ:
+    MODEL_IDS = [Llama_8B, Llama_3B]
+else:
+    MODEL_IDS = os.environ["MODEL_IDS"].split(",")
+
+
 # This is going to create multiple Stack impls without tearing down the previous one
 # Fix that!
 @pytest_asyncio.fixture(
     scope="session",
-    params=[
-        {"model": Llama_8B},
-        {"model": Llama_3B},
-    ],
+    params=[{"model": m} for m in MODEL_IDS],
     ids=lambda d: d["model"],
 )
 async def inference_settings(request):