From 899e2ef558e7345b99bc0d53c2e1c60ffdca7470 Mon Sep 17 00:00:00 2001 From: Mark McLoughlin Date: Thu, 4 Dec 2025 08:22:03 +0000 Subject: [PATCH] [Core] Fix standalone runs of test_reset_prefix_cache_e2e (#29899) Signed-off-by: Mark McLoughlin --- tests/v1/core/test_reset_prefix_cache_e2e.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/v1/core/test_reset_prefix_cache_e2e.py b/tests/v1/core/test_reset_prefix_cache_e2e.py index e543c30a156e..083fc3f34f54 100644 --- a/tests/v1/core/test_reset_prefix_cache_e2e.py +++ b/tests/v1/core/test_reset_prefix_cache_e2e.py @@ -11,7 +11,9 @@ PROMPTS = [ ] -def test_reset_prefix_cache_e2e(): +def test_reset_prefix_cache_e2e(monkeypatch): + # "spawn" is required for test to be deterministic + monkeypatch.setenv("VLLM_WORKER_MULTIPROC_METHOD", "spawn") engine_args = EngineArgs( model="Qwen/Qwen3-0.6B", gpu_memory_utilization=0.2,