takedown test_resnet_imagenet_and_thor_4p to ensure gate stability

tests/st/networks/models/resnet50/test_resnet50_imagenet_and_thor.py

@@ -339,7 +339,7 @@ def thor_end(device_num, q):
     assert thor_cost < 30
 
 
-@pytest.mark.level0
+@pytest.mark.level1
 @pytest.mark.platform_arm_ascend_training
 @pytest.mark.platform_x86_ascend_training
 @pytest.mark.env_single