[Bugfix][ROCm] running new process using spawn method for rocm in tests. (#14810)

Signed-off-by: vllmellm <vllm.ellm@embeddedllm.com>
Signed-off-by: tjtanaa <tunjian.tan@embeddedllm.com>
Co-authored-by: TJian <tunjian.tan@embeddedllm.com>
Co-authored-by: Cyrus Leung <cyrus.tl.leung@gmail.com>

tests/v1/engine/test_engine_core_client.py

@@ -8,7 +8,6 @@ from typing import Optional
 import pytest
 from transformers import AutoTokenizer
 
-from tests.utils import fork_new_process_for_each_test
 from vllm import SamplingParams
 from vllm.engine.arg_utils import EngineArgs
 from vllm.platforms import current_platform
@@ -19,6 +18,8 @@ from vllm.v1.engine.core_client import (AsyncMPClient, EngineCoreClient,
                                         SyncMPClient)
 from vllm.v1.executor.abstract import Executor
 
+from ...utils import create_new_process_for_each_test
+
 if not current_platform.is_cuda():
     pytest.skip(reason="V1 currently only supported on CUDA.",
                 allow_module_level=True)
@@ -88,7 +89,7 @@ def echo(self, msg: str, err_msg: Optional[str] = None) -> str:
     return msg
 
 
-@fork_new_process_for_each_test
+@create_new_process_for_each_test()
 @pytest.mark.parametrize("multiprocessing_mode", [True, False])
 def test_engine_core_client(monkeypatch: pytest.MonkeyPatch,
                             multiprocessing_mode: bool):