diff --git a/test_util/src/lib.rs b/test_util/src/lib.rs
index bb1ce5931d9618..67ced971a5bdd5 100644
--- a/test_util/src/lib.rs
+++ b/test_util/src/lib.rs
@@ -87,9 +87,8 @@ pub async fn run_all_servers() {
     let u = url.parse::<Uri>().unwrap();
     warp::redirect(u)
   });
-  let redirect_server_fut = warp::serve(routes)
-    .bind(([127, 0, 0, 1], REDIRECT_PORT))
-    .boxed();
+  let redirect_server_fut =
+    warp::serve(routes).bind(([127, 0, 0, 1], REDIRECT_PORT));
 
   let routes = warp::path::full().map(|path: warp::path::FullPath| {
     let p = path.as_str();
@@ -98,9 +97,8 @@ pub async fn run_all_servers() {
     let u = url.parse::<Uri>().unwrap();
     warp::redirect(u)
   });
-  let another_redirect_server_fut = warp::serve(routes)
-    .bind(([127, 0, 0, 1], ANOTHER_REDIRECT_PORT))
-    .boxed();
+  let another_redirect_server_fut =
+    warp::serve(routes).bind(([127, 0, 0, 1], ANOTHER_REDIRECT_PORT));
 
   let routes = warp::path::full().map(|path: warp::path::FullPath| {
     let p = path.as_str();
@@ -109,9 +107,8 @@ pub async fn run_all_servers() {
     let u = url.parse::<Uri>().unwrap();
     warp::redirect(u)
   });
-  let double_redirect_server_fut = warp::serve(routes)
-    .bind(([127, 0, 0, 1], DOUBLE_REDIRECTS_PORT))
-    .boxed();
+  let double_redirect_server_fut =
+    warp::serve(routes).bind(([127, 0, 0, 1], DOUBLE_REDIRECTS_PORT));
 
   let routes = warp::path::full().map(|path: warp::path::FullPath| {
     let p = path.as_str();
@@ -120,9 +117,8 @@ pub async fn run_all_servers() {
     let u = url.parse::<Uri>().unwrap();
     warp::redirect(u)
   });
-  let inf_redirect_server_fut = warp::serve(routes)
-    .bind(([127, 0, 0, 1], INF_REDIRECTS_PORT))
-    .boxed();
+  let inf_redirect_server_fut =
+    warp::serve(routes).bind(([127, 0, 0, 1], INF_REDIRECTS_PORT));
 
   // redirect server that redirect to absolute paths under same host
   // redirects /REDIRECT/file_name to /file_name
@@ -140,9 +136,8 @@ pub async fn run_all_servers() {
         .and(warp::fs::dir(root_path()))
         .map(custom_headers),
     );
-  let absolute_redirect_server_fut = warp::serve(routes)
-    .bind(([127, 0, 0, 1], REDIRECT_ABSOLUTE_PORT))
-    .boxed();
+  let absolute_redirect_server_fut =
+    warp::serve(routes).bind(([127, 0, 0, 1], REDIRECT_ABSOLUTE_PORT));
 
   let echo_server = warp::path("echo_server")
     .and(warp::post())
@@ -314,27 +309,28 @@ pub async fn run_all_servers() {
     .or(echo_multipart_file)
     .or(multipart_form_data);
 
-  let http_fut = warp::serve(content_type_handler.clone())
-    .bind(([127, 0, 0, 1], PORT))
-    .boxed();
+  let http_fut =
+    warp::serve(content_type_handler.clone()).bind(([127, 0, 0, 1], PORT));
 
   let https_fut = warp::serve(content_type_handler.clone())
     .tls()
     .cert_path("std/http/testdata/tls/localhost.crt")
     .key_path("std/http/testdata/tls/localhost.key")
-    .bind(([127, 0, 0, 1], HTTPS_PORT))
-    .boxed();
-
-  let mut server_fut = future::join_all(vec![
-    http_fut,
-    https_fut,
-    redirect_server_fut,
-    another_redirect_server_fut,
-    inf_redirect_server_fut,
-    double_redirect_server_fut,
-    absolute_redirect_server_fut,
-  ])
+    .bind(([127, 0, 0, 1], HTTPS_PORT));
+
+  let mut server_fut = async {
+    futures::join!(
+      http_fut,
+      https_fut,
+      redirect_server_fut,
+      another_redirect_server_fut,
+      inf_redirect_server_fut,
+      double_redirect_server_fut,
+      absolute_redirect_server_fut,
+    )
+  }
   .boxed();
+
   let mut did_print_ready = false;
   future::poll_fn(move |cx| {
     let poll_result = server_fut.poll_unpin(cx);