Sync from v0.13

tests/v1/determinism/conftest.py

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+import pytest
+
+import vllm.model_executor.layers.batch_invariant as batch_invariant
+
+
+@pytest.fixture(autouse=True)
+def enable_batch_invariant_mode(monkeypatch: pytest.MonkeyPatch):
+    """Automatically enable batch invariant kernel overrides for all tests."""
+    monkeypatch.setattr(batch_invariant, "VLLM_BATCH_INVARIANT", True)
+    monkeypatch.setenv("VLLM_BATCH_INVARIANT", "1")