diff --git a/tests/lookup_service.rs b/tests/lookup_service.rs
index 70c1e66..5a83ec1 100644
--- a/tests/lookup_service.rs
+++ b/tests/lookup_service.rs
@@ -3,14 +3,18 @@ use actix_web::dev::{Service, ServiceResponse};
 use actix_web::{test, web::Data, App};
 use atlas_rs::maxmind_db::MaxmindDB;
 
-async fn setup() -> (
+struct SetupResult<T> {
+    service: T,
+    app_data: Data<MaxmindDB>,
+}
+
+async fn setup() -> SetupResult<
     impl Service<
         actix_http::Request,
         Error = actix_web::Error,
         Response = ServiceResponse<impl MessageBody>,
     >,
-    Data<MaxmindDB>,
-) {
+> {
     let app_data = atlas_rs::init_db("tests-data/", "GeoIP2-City-Test")
         .await
         .unwrap();
@@ -21,17 +25,17 @@ async fn setup() -> (
     )
     .await;
 
-    (service, app_data)
+    SetupResult { service, app_data }
 }
 
 #[actix_web::test]
 async fn test_lookup_endpoint() {
-    let (service, app_data) = setup().await;
+    let setup = setup().await;
     let req = test::TestRequest::get()
         .uri("/geoip/lookup/city/214.78.120.1")
         .to_request();
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
-    let db = app_data.db.read().await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
+    let db = setup.app_data.db.read().await;
     assert_eq!(resp["database_build_epoch"], db.build_epoch());
     assert_eq!(
         resp["results"]["214.78.120.1"]["city"]["geoname_id"],
@@ -45,12 +49,12 @@ async fn test_lookup_endpoint() {
 
 #[actix_web::test]
 async fn test_multiple_ips() {
-    let (service, _app_data) = setup().await;
+    let setup = setup().await;
     let req = test::TestRequest::get()
         .uri("/geoip/lookup/city/214.78.120.1,214.78.120.2,4.2.2.4")
         .to_request();
 
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
 
     assert!(resp["results"].get("214.78.120.1").is_some());
     assert!(resp["results"].get("214.78.120.2").is_some());
@@ -59,24 +63,24 @@ async fn test_multiple_ips() {
 
 #[actix_web::test]
 async fn test_non_existing_ip() {
-    let (service, _app_data) = setup().await;
+    let setup = setup().await;
     let req = test::TestRequest::get()
         .uri("/geoip/lookup/city/1.1.1.1")
         .to_request();
 
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
 
     assert!(resp["results"].get("1.1.1.1").unwrap().is_null());
 }
 
 #[actix_web::test]
 async fn test_special_ip() {
-    let (service, _app_data) = setup().await;
+    let setup = setup().await;
     let req = test::TestRequest::get()
         .uri("/geoip/lookup/city/192.168.1.1")
         .to_request();
 
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
 
     assert_eq!(
         resp["error"]["code"].as_str().unwrap(),
@@ -86,12 +90,12 @@ async fn test_special_ip() {
 
 #[actix_web::test]
 async fn test_invalid_ip() {
-    let (service, _app_data) = setup().await;
+    let setup = setup().await;
     let req = test::TestRequest::get()
         .uri("/geoip/lookup/city/192.168.1.")
         .to_request();
 
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
 
     assert_eq!(
         resp["error"]["code"].as_str().unwrap(),
@@ -101,7 +105,7 @@ async fn test_invalid_ip() {
 
 #[actix_web::test]
 async fn test_rejects_too_many_ips() {
-    let (service, _app_data) = setup().await;
+    let setup = setup().await;
 
     let ip_addresses = (1..=51)
         .map(|i| format!("1.1.1.{i}"))
@@ -112,7 +116,7 @@ async fn test_rejects_too_many_ips() {
         .uri(format!("/geoip/lookup/city/{ip_addresses}").as_ref())
         .to_request();
 
-    let resp: serde_json::Value = test::call_and_read_body_json(&service, req).await;
+    let resp: serde_json::Value = test::call_and_read_body_json(&setup.service, req).await;
 
     assert_eq!(
         resp["error"]["code"].as_str().unwrap(),