t0501: workarounds for non-GNU awks

While gawk can handle binary data, other awks cannot, so
use tr(1) to filter out non-printable characters from the
WebSocket message.   We need to send a bigger message, too,
since tr(1) output is buffered and there's no portable way
to unbuffer it :<

1 files changed, 1 insertions, 1 deletions

diff --git a/t/cramp/rainsocket.ru b/t/cramp/rainsocket.ru
index 0d26f70..dd1b229 100644
--- a/t/cramp/rainsocket.ru
+++ b/t/cramp/rainsocket.ru
@@ -19,7 +19,7 @@ class WelcomeController < Cramp::Controller::Websocket
   end
 
   def send_hello_world
-    render "Hello from the Server!\n"
+    render("Hello from the Server!\n" * 256)
   end
 end