diff --git a/tests/data/test66 b/tests/data/test66
index 23bb9e9c1..8fa725ece 100644
--- a/tests/data/test66
+++ b/tests/data/test66
@@ -15,6 +15,9 @@ no headers swsclose
 
 # Client-side
 <client>
+<features>
+!hyper
+</features>
 <server>
 http
 </server>