[CI] Modify some CI test cases to run on L4 environment to reduce H100 resource usage. (#1543)

Signed-off-by: yenuo26 <410167048@qq.com>
Signed-off-by: wangyu <53896905+yenuo26@users.noreply.github.com>

tests/examples/online_serving/test_qwen2_5_omni.py

@@ -236,7 +236,6 @@ def test_modality_control_003(omni_server) -> None:
     # TODO: Verify the E2E latency after confirmation baseline.
 
 
-@pytest.mark.skip(reason="There is a known issue with stream error.")
 @pytest.mark.advanced_model
 @pytest.mark.omni
 @hardware_test(res={"cuda": "L4", "rocm": "MI325"}, num_cards={"cuda": 4, "rocm": 2})