tests: rustfmt

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>

Author: Keruspe

tests/addr.rs

@@ -11,7 +11,10 @@ where
     A::Iter: Send,
 {
     task::block_on(async move {
-        Ok(a.to_socket_addrs().await.map_err(|e| e.to_string())?.collect())
+        Ok(a.to_socket_addrs()
+            .await
+            .map_err(|e| e.to_string())?
+            .collect())
     })
 }