diff --git a/core/lib/tests/on_launch_fairing_can_inspect_port.rs b/core/lib/tests/on_launch_fairing_can_inspect_port.rs
index 52e8c78b..7ec0c61a 100644
--- a/core/lib/tests/on_launch_fairing_can_inspect_port.rs
+++ b/core/lib/tests/on_launch_fairing_can_inspect_port.rs
@@ -1,23 +1,15 @@
-#[macro_use]
-extern crate rocket;
-
 use rocket::config::Config;
 use rocket::fairing::AdHoc;
-use rocket::figment::Figment;
 use rocket::futures::channel::oneshot;
 
 #[rocket::async_test]
 async fn on_launch_fairing_can_inspect_port() {
     let (tx, rx) = oneshot::channel();
-    let mut config = Config::default();
-    config.port = 0;
-    tokio::spawn(
-        rocket::custom(Figment::from(config))
-            .mount("/", routes![])
-            .attach(AdHoc::on_launch("Get assigned port", move |rocket| {
-                tx.send(rocket.config().port).unwrap();
-            }))
-            .launch(),
-    );
-    assert!(rx.await.unwrap() != 0);
+    let rocket = rocket::custom(Config { port: 0, ..Default::default() })
+        .attach(AdHoc::on_launch("Send Port -> Channel", move |rocket| {
+            tx.send(rocket.config().port).unwrap();
+        }));
+
+    rocket::tokio::spawn(rocket.launch());
+    assert_ne!(rx.await.unwrap(), 0);
 }