!1017 bugfix-导入系统用户时，增加注解校验过程，与界面添加和修改用户保持一致

Merge pull request !1017 from 尹先生/master-jdk17

yudao-framework/yudao-spring-boot-starter-test/src/main/java/cn/iocoder/yudao/framework/test/core/util/RandomUtils.java

@@ -103,6 +103,10 @@ public class RandomUtils {
         return randomString() + "@qq.com";
     }
 
+    public static String randomMobile() {
+        return "13800138" + RandomUtil.randomNumbers(3);
+    }
+
     public static String randomURL() {
         return "https://www.iocoder.cn/" + randomString();
     }