[Flaky CI] Increase timeout tolerance for test_mp_crash_detection+test_default_mm_lora_chat_completions (#23028)

Signed-off-by: mgoin <mgoin64@gmail.com>

tests/entrypoints/openai/test_default_mm_loras.py

@@ -48,7 +48,8 @@ def multimodal_server():  # noqa: F811
         f"{{\"audio\": \"{AUDIO_LORA_PATH}\"}}",
     ]
 
-    with RemoteOpenAIServer(MULTIMODAL_MODEL_NAME, args) as remote_server:
+    with RemoteOpenAIServer(MULTIMODAL_MODEL_NAME, args,
+                            max_wait_seconds=480) as remote_server:
         yield remote_server
 
 

tests/mq_llm_engine/test_error_handling.py

@@ -255,8 +255,8 @@ async def test_mp_crash_detection(monkeypatch: pytest.MonkeyPatch):
             pass
         end = time.perf_counter()
 
-        assert end - start < 60, (
-            "Expected vLLM to gracefully shutdown in <60s "
+        assert end - start < 100, (
+            "Expected vLLM to gracefully shutdown in <100s "
             "if there is an error in the startup.")