diff --git a/src/stream/stream/mod.rs b/src/stream/stream/mod.rs
index f7a1ba2..d77fdc8 100644
--- a/src/stream/stream/mod.rs
+++ b/src/stream/stream/mod.rs
@@ -348,7 +348,7 @@ extension_trait! {
             assert!(start.elapsed().as_millis() >= 15);
 
             s.next().await;
-            assert!(start.elapsed().as_millis() >= 35);
+            assert!(start.elapsed().as_millis() >= 25);
             #
             # }) }
             ```