From 1cadacd498aa05465ad599e11c5deb0a913d1631 Mon Sep 17 00:00:00 2001
From: culler <culler>
Date: Sat, 8 Aug 2020 21:37:18 +0000
Subject: One more vwait.

---
 tests/io.test | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/io.test b/tests/io.test
index cfa08ed..a81e394 100644
--- a/tests/io.test
+++ b/tests/io.test
@@ -6761,7 +6761,9 @@ test io-50.2 {testing handler deletion with multiple handlers} -constraints test
     testchannelevent $f add readable [namespace code [list delhandler $f 1]]
     testchannelevent $f add readable [namespace code [list delhandler $f 0]]
     testservicemode 1
-    update
+    set timer [after 50 lappend z timeout]
+    vwait z
+    after cancel $timer
     set z
 } -cleanup {
     close $f
-- 
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