Added test (#10)

Reviewed-on: #10
Co-authored-by: kdeng00 <kundeng00@pm.me>
Co-committed-by: kdeng00 <kundeng00@pm.me>

src/environment.rs

@@ -1,4 +1,3 @@
-
 pub async fn get_db_url() -> String {
     dotenvy::dotenv().ok();
     std::env::var(crate::keys::DB_URL).expect(crate::keys::error::DB_URL)