[CI] Reorganize the L1 L2 use cases and add markers (#2449)

Signed-off-by: zhumingjue <zhumingjue@huawei.com>

tests/model_executor/models/cosyvoice3/test_cosyvoice3_utils.py

@@ -5,6 +5,8 @@
 import pytest
 import torch
 
+pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
+
 
 class TestMakePadMask:
     """Tests for make_pad_mask utility."""