[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/examples/offline_inference/test_image_task_prompts.py

@@ -3,15 +3,27 @@
 
 from __future__ import annotations
 
+import functools
+import importlib.util
+
 import pytest
 from PIL import Image
 
-from examples.offline_inference.image_to_video.image_to_video import build_image_to_video_prompt
-from examples.offline_inference.text_to_image.text_to_image import build_text_to_image_prompt
+from tests.examples.helpers import EXAMPLES
 
 pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
 
 
+@functools.cache
+def _load_example_module(relative_path: str, module_name: str):
+    path = EXAMPLES / relative_path
+    spec = importlib.util.spec_from_file_location(module_name, path)
+    assert spec is not None and spec.loader is not None
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+    return module
+
+
 @pytest.mark.parametrize(
     ("negative_prompt", "expected_negative_prompt"),
     [(None, None), ("", ""), ("blurry", "blurry")],
@@ -20,7 +32,11 @@ def test_text_to_image_builds_canonical_prompt(
     negative_prompt: str | None,
     expected_negative_prompt: str | None,
 ) -> None:
-    result = build_text_to_image_prompt("a red fox", negative_prompt)
+    mod = _load_example_module(
+        "offline_inference/text_to_image/text_to_image.py",
+        "text_to_image_example",
+    )
+    result = mod.build_text_to_image_prompt("a red fox", negative_prompt)
 
     assert result["prompt"] == "a red fox"
     assert result["modalities"] == ["image"]
@@ -31,9 +47,13 @@ def test_text_to_image_builds_canonical_prompt(
 
 
 def test_image_to_video_builds_canonical_prompt() -> None:
+    mod = _load_example_module(
+        "offline_inference/image_to_video/image_to_video.py",
+        "image_to_video_example",
+    )
     image = Image.new("RGB", (32, 16), "red")
 
-    result = build_image_to_video_prompt(
+    result = mod.build_image_to_video_prompt(
         prompt="the fox turns toward the camera",
         negative_prompt="flicker",
         media_inputs={"image": image},