[Bugfix] Isolate weekly CPU tests from inherited attention env and hf_api mocks (#7565)

Signed-off-by: wangyu <410167048@qq.com>
Signed-off-by: [Your Name] <your.email@example.com>
Signed-off-by: [Your Name] [Your Email]

tests/diffusion/models/magi2/test_pipeline_magi2.py

@@ -171,7 +171,7 @@ def test_huggingface_url_resolves_pinned_snapshot(tmp_path, monkeypatch):
         else pytest.fail("unexpected snapshot request")
     )
     monkeypatch.setattr(
-        "vllm.transformers_utils.repo_utils.hf_api",
+        "vllm_omni.transformers_utils.repo_utils.hf_api",
         lambda: api,
     )
     assert _resolve_checkpoint_root(