rename package

mall-demo/src/test/java/com/macro/mall/MallDemoApplicationTests.java → mall-demo/src/test/java/com/macro/mall/demo/MallDemoApplicationTests.java

-package com.macro.mall;
+package com.macro.mall.demo;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.macro.mall.model.PmsProduct;