[Test] Remove VLLM_USE_V1 in example and tests (#1733)

V1 is enabled by default, no need to set it by hand now. This PR remove
the useless setting in example and tests

- vLLM version: v0.9.2
- vLLM main:
9ad0a4588b

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

tests/e2e/singlecard/core/ascend_scheduler/test_ascend_scheduler_e2e.py

@@ -1,15 +1,11 @@
 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import gc
-import os
 
 import pytest
 import torch
 from vllm import LLM
 
-if os.getenv("VLLM_USE_V1", "0") != "1":
-    pytest.skip("Test package requires V1", allow_module_level=True)
-
 MODEL = "Qwen/Qwen2.5-0.5B-Instruct"
 PROMPT = "Hello my name is Robert and I"
 

tests/e2e/singlecard/core/ascend_scheduler/test_chunk_prefill.py

@@ -9,8 +9,8 @@ Run `pytest tests/e2e/singlecard/core/ascend_scheduler/test_chunk_prefill.py`.
 """
 import pytest
 
-from tests.conftest import VllmRunner
-from tests.model_utils import check_outputs_equal
+from tests.e2e.conftest import VllmRunner
+from tests.e2e.model_utils import check_outputs_equal
 
 MODELS = [
     "Qwen/Qwen3-0.6B-Base",