[master] 1727141 feature test that nghttp can be executed

[Poul-Henning Kamp]

commit 17271417eea8b9596a190e175f372ca1c61489da
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Mon Sep 5 07:59:40 2016 +0000

    feature test that nghttp can be executed

diff --git a/bin/varnishtest/tests/a02022.vtc b/bin/varnishtest/tests/a02022.vtc
index 0c34071..aeb1ff6 100644
--- a/bin/varnishtest/tests/a02022.vtc
+++ b/bin/varnishtest/tests/a02022.vtc
@@ -1,5 +1,7 @@
 varnishtest "H/1 -> H/2 upgrade"
 
+feature cmd "nghttp --help > /dev/null 2>&1"
+
 server s1 {
 	rxreq
 	upgrade