func TestUserValidateInformalEmail(t *testing.T) {
    user := User{Name: "Brünhild", Email: "asdadsasda", Password: "Destory_Rome"}
    errorMap := user.Validate()
    if len(errorMap) == 0 {
        t.Error(`User{Name : "Brünhild", Email:"asdasdad"})`)