improve unit test

package.json

 {
   "name": "NeteaseCloudMusicApi",
-  "version": "2.1.3",
+  "version": "2.1.5",
   "description": "",
   "scripts": {
     "start": "node app.js",

test/login.test.js

@@ -2,7 +2,7 @@ const assert = require('assert')
 const crypto = require('crypto')
 const { createWebAPIRequest } = require("../util/util")
 
-console.log("第一次登陆需要替换这里的账号密码")
+console.log("注意:测试登陆需要替换这里的账号密码!!!")
 
 describe('测试登录是否正常', () => {
   it('手机登录 code 应该等于200', done => {