!16056 retrive modelzoo testcase deeplab3

From: @anzhengqi
Reviewed-by: @wuxuejian,@ms_yan,@jonyguo
Signed-off-by: @jonyguo

tests/st/model_zoo_tests/deeplabv3/test_DeeplabV3_voc2007.py

@@ -18,7 +18,7 @@ import pytest
 from tests.st.model_zoo_tests import utils
 
 
-@pytest.mark.level0
+@pytest.mark.level2
 @pytest.mark.platform_x86_ascend_training
 @pytest.mark.platform_arm_ascend_training
 @pytest.mark.env_single