add test runtime macro (#2409)

actix-files/tests/encoding.rs

@@ -8,7 +8,7 @@ use actix_web::{
     App,
 };
 
-#[actix_rt::test]
+#[actix_web::test]
 async fn test_utf8_file_contents() {
     // use default ISO-8859-1 encoding
     let srv = test::init_service(App::new().service(Files::new("/", "./tests"))).await;

actix-files/tests/guard.rs

@@ -7,7 +7,7 @@ use actix_web::{
 };
 use bytes::Bytes;
 
-#[actix_rt::test]
+#[actix_web::test]
 async fn test_guard_filter() {
     let srv = test::init_service(
         App::new()