Function db_sqlx_postgres::prelude::tests::duplicate_secret_guard_works

pub async fn duplicate_secret_guard_works<T>(
    db: &'_ T, 
    username: &'_ str, 
    password: &'_ str, 
    username2: &'_ str, 
    secret: &'_ str, 
    duplicate_secret: &'_ str
) where
    T: LibAdminDatabase, 

test duplicate secret errors