1、use
http://xxx.xxx.xxx.xxx/files/applications/test/index.html

real login success. remeber email/password  (or userName/password)
Better way is see Request  how to send POST

2、Use postman

2-1： POST
2-2：http://xxxoooxxxoooxxx/rest/user/session
2-3：X-DreamFactory-Application-Name    value： your app name
2-4：Content-Type    value：application/json
2-5：Body   raw **     choese ** JSON(application/json)
{“email”:“xxxxx00000xxxxxx000xx”,“password”:“xxxxx00000xxxx000xx”}

Better way is copy from Request

2-6： Send  then success is get information.