Crash the server correctly during error (#2231)

test/srt/test_large_max_new_tokens.py

@@ -10,7 +10,7 @@ from concurrent.futures import ThreadPoolExecutor
 import openai
 
 from sglang.srt.hf_transformers_utils import get_tokenizer
-from sglang.srt.utils import kill_child_process
+from sglang.srt.utils import kill_process_tree
 from sglang.test.test_utils import (
     DEFAULT_SMALL_MODEL_NAME_FOR_TEST,
     DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
@@ -52,7 +52,7 @@ class TestLargeMaxNewTokens(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
-        kill_child_process(cls.process.pid, include_self=True)
+        kill_process_tree(cls.process.pid)
         cls.stdout.close()
         cls.stderr.close()
         os.remove(STDOUT_FILENAME)