r.group not working about gin HOT 6 CLOSED

// notify the "test" variable
test := r.Group("/", TestHandle())
test.GET("/test", func(c *gin.Context) {
    fmt.Printf("test")
    c.String(200, "ok")
})

// notify the "test" variable
test := r.Group("/", TestHandle())
{
    test.GET("/test", func(c *gin.Context) {
        fmt.Printf("test")
        c.String(200, "ok")
    })
}

func MongoAuth() gin.HandlerFunc {
    return func(c *gin.Context) {
        fmt.Printf("TEST: \n" )
        cookie := c.Request.Header.Get("Cookie")

        fmt.Printf("cookie: %v\n", cookie)

        c.Next()

        fmt.Printf("TEST2: \n" )
    }
}



func main() {
    db := database.GDatabase{}
    db.Initialize()
    gs := Server{}
    gs.db = &db
    ....
    // no more rabbit for the moment
    //gs.initialize_rabbit()

    r := gin.Default()


    r.Group("/", MongoAuth())
    {
        r.GET("/test", func(c *gin.Context) {
            fmt.Printf("test")
            c.String(200, "ok")
        })


        ///////
        // Bitbucket
        r.GET("/auth/login/bitbucket", func(c *gin.Context) {
            ... logic here ...

            c.Redirect(301, "http://localhost:8080/wert")

        })

        r.GET("/auth/login/bitbucket/token", func(c *gin.Context) {
            ... logic here ...
            fmt.Printf("url: %s\n", url)
            if strings.EqualFold("", url) {
                c.String(503, "Internal error")     
            }
            c.Redirect(301, url)
        })

    }
}