testing added

server/src/adresar/handlers/post_adresar.rs

@@ -8,6 +8,9 @@ pub async fn post_adresar(
     db_pool: &PgPool,
     request: PostAdresarRequest,
 ) -> Result<AdresarResponse, Status> {
+    if request.firma.is_empty() {
+        return Err(Status::invalid_argument("Firma is required"));
+    }
     let adresar = sqlx::query_as!(
         Adresar,
         r#"