[master] d01633f61 stabilize as suggested by @Dridi

[Nils Goroll]

commit d01633f6188a7bd3d03108ac79903829899e9675
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Apr 29 14:46:07 2019 +0200

    stabilize as suggested by @Dridi

diff --git a/bin/varnishtest/tests/t02004.vtc b/bin/varnishtest/tests/t02004.vtc
index cca1fafa9..709fff70c 100644
--- a/bin/varnishtest/tests/t02004.vtc
+++ b/bin/varnishtest/tests/t02004.vtc
@@ -24,6 +24,8 @@ client c1 {
 	expect_close
 } -run
 
+delay 2
+
 varnish v1 -cliok "panic.clear"
 
 varnish v1 -expectexit 0x20