Crash the server correctly during error (#2231)

test/srt/test_data_parallelism.py

@@ -4,7 +4,7 @@ from types import SimpleNamespace
 
 import requests
 
-from sglang.srt.utils import kill_child_process
+from sglang.srt.utils import kill_process_tree
 from sglang.test.run_eval import run_eval
 from sglang.test.test_utils import (
     DEFAULT_MODEL_NAME_FOR_TEST,
@@ -28,7 +28,7 @@ class TestDataParallelism(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
-        kill_child_process(cls.process.pid, include_self=True)
+        kill_process_tree(cls.process.pid)
 
     def test_mmlu(self):
         args = SimpleNamespace(