Merge branch 'Zelda' of https://github.com/BohaoWu/Serving into Zelda

tools/serving_build.sh

@@ -935,11 +935,11 @@ function python_app_api_test(){
     cd imagenet
     case $TYPE in
         CPU)
-            check_cmd "python test_image_reader.py"
-            check_cmd "python test_preprocess.py"
             ;;
         GPU)
             echo "no implement for cpu type"
+            check_cmd "python test_image_reader.py"
+            check_cmd "python test_preprocess.py"
             ;;
         *)
             echo "error type"