Test for user system and comments

src/authentication.rs

@@ -1,5 +1,3 @@
-use std::fmt::Display;
-
 use crate::telemetry::spawn_blocking_with_tracing;
 use anyhow::Context;
 use argon2::{
@@ -8,6 +6,7 @@ use argon2::{
 };
 use secrecy::{ExposeSecret, SecretString};
 use sqlx::PgPool;
+use std::fmt::Display;
 use uuid::Uuid;
 
 pub struct Credentials {