[CI/Build] Move L1/E2E coverage to weekly and split scheduled L4/L5 pipelines (#6311)

Signed-off-by: wangyu <410167048@qq.com>
Signed-off-by: [Your Name] <your.email@example.com>
Co-authored-by: amy-why-3459 <wuhaiyan17@huawei.com>

tests/diffusion/quantization/test_quantization_quality.py

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
 """
 Quantization quality gate for diffusion models.
 
@@ -53,6 +53,7 @@ _BENCH_MODULE_NAME = "benchmarks.diffusion.quantization_quality"
 
 if _BENCH_MODULE_NAME not in sys.modules:
     _spec = importlib.util.spec_from_file_location(_BENCH_MODULE_NAME, _BENCH_MODULE_PATH)
+    assert _spec is not None and _spec.loader is not None
     _mod = importlib.util.module_from_spec(_spec)
     sys.modules[_BENCH_MODULE_NAME] = _mod
     _spec.loader.exec_module(_mod)
@@ -93,7 +94,7 @@ class QualityTestConfig:
             return self.quantized_model
         return self.model or ""
 
-    def quantization_ref(self) -> str | None:
+    def quantization_ref(self) -> str | dict[str, object] | None:
         if self.quantized_model is not None:
             return None
         return self.quantization
@@ -500,6 +501,8 @@ def _quality_param(c: QualityTestConfig):
         marks.append(
             pytest.mark.skip(reason="Qwen-Image FP8 quality gate temporarily disabled (see CI / issue tracker).")
         )
+    if c.id == "fp8_ltx2":
+        marks.append(pytest.mark.skip(reason="https://github.com/vllm-project/vllm-omni/issues/6245"))
     return pytest.param(c, id=c.id, marks=marks)