[Bugfix] remove Tongyi-MAI/Z-Image-Turbo related test from L2 ci (#1348)

Signed-off-by: dengyunyang <584797741@qq.com>

tests/e2e/online_serving/test_images_generations_lora.py

@@ -145,7 +145,7 @@ def _basic_payload() -> dict:
     }
 
 
-@pytest.mark.core_model
+@pytest.mark.advanced_model
 @pytest.mark.diffusion
 @hardware_test(res={"cuda": "L4", "rocm": "MI325"})
 def test_images_generations_per_request_lora_switching(omni_server: OmniServer, tmp_path: Path) -> None: