test: remove unused param in test-graph.pipe

ssbrewster · MylesBorins · commit 5b13add02851 · 2017-09-12T03:18:17.000+02:00
Refs: https://twitter.com/NodeTodo/status/900502354834800645 PR-URL: #15007 Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com> Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/test/async-hooks/test-graph.pipe.js b/test/async-hooks/test-graph.pipe.js
@@ -14,7 +14,7 @@ sleep
   .on('exit', common.mustCall(onsleepExit))
   .on('close', common.mustCall(onsleepClose));
 
-function onsleepExit(code) {}
+function onsleepExit() {}
 
 function onsleepClose() {}
 
