[Test] Unify L2/L3 test layout, Buildkite steps, and test helpers (#2556)

Signed-off-by: wangyu <410167048@qq.com>
Signed-off-by: Huang, Zeyu <11222265+fhfuih@users.noreply.github.com>
Signed-off-by: wangyu <53896905+yenuo26@users.noreply.github.com>
Co-authored-by: Huang, Zeyu <11222265+fhfuih@users.noreply.github.com>

examples/offline_inference/text_to_speech/omnivoice/end2end.py

@@ -37,7 +37,7 @@ def run_e2e():
     parser.add_argument(
         "--stage-config",
         type=str,
-        default="vllm_omni/model_executor/stage_configs/omnivoice.yaml",
+        default="vllm_omni/deploy/omnivoice.yaml",
     )
     parser.add_argument(
         "--text",

examples/offline_inference/text_to_speech/voxcpm/end2end.py

@@ -11,11 +11,11 @@ import soundfile as sf
 import torch
 from vllm.utils.argparse_utils import FlexibleArgumentParser
 
+from tests.helpers.stage_config import get_deploy_config_path
 from vllm_omni import AsyncOmni, Omni
 from vllm_omni.engine.arg_utils import nullify_stage_engine_defaults
 
-REPO_ROOT = Path(__file__).resolve().parents[4]
-DEFAULT_SYNC_STAGE_CONFIG = REPO_ROOT / "vllm_omni" / "model_executor" / "stage_configs" / "voxcpm.yaml"
+DEFAULT_SYNC_STAGE_CONFIG = get_deploy_config_path("voxcpm.yaml")
 
 
 def _build_prompt(args) -> dict[str, Any]:
@@ -167,7 +167,7 @@ def parse_args():
     parser.add_argument(
         "--stage-configs-path",
         type=str,
-        default=str(DEFAULT_SYNC_STAGE_CONFIG),
+        default=DEFAULT_SYNC_STAGE_CONFIG,
         help=("Stage config path. Use voxcpm.yaml for non-streaming or voxcpm_async_chunk.yaml for streaming."),
     )
     parser.add_argument("--text", type=str, required=True, help="Input text for synthesis.")

examples/online_serving/text_to_speech/voxcpm/run_server.sh

@@ -17,7 +17,7 @@ case "$MODE" in
         STAGE_CONFIG="vllm_omni/model_executor/stage_configs/voxcpm_async_chunk.yaml"
         ;;
     sync)
-        STAGE_CONFIG="vllm_omni/model_executor/stage_configs/voxcpm.yaml"
+        STAGE_CONFIG="vllm_omni/deploy/voxcpm.yaml"
         ;;
     *)
         echo "Unknown mode: $MODE"