Crash the server correctly during error (#2231)

test/srt/test_embedding_openai_server.py

@@ -3,7 +3,7 @@ import unittest
 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_TIMEOUT_FOR_SERVER_LAUNCH,
     DEFAULT_URL_FOR_TEST,
@@ -28,7 +28,7 @@ class TestOpenAIServer(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
-        kill_child_process(cls.process.pid, include_self=True)
+        kill_process_tree(cls.process.pid)
 
     def run_embedding(self, use_list_input, token_input):
         client = openai.Client(api_key=self.api_key, base_url=self.base_url)