From 94dd66882f7564922ea406838add0a4f6a14033c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@higgsboson.tk>
Date: Sun, 4 Sep 2016 14:34:06 +0200
Subject: [PATCH] ferm: fix race condition in integration test (#18288)

curl sent the request faster then nginx bound the port in some cases
---
 nixos/tests/ferm.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/tests/ferm.nix b/nixos/tests/ferm.nix
index c0271269ca0..8f2a8c01eeb 100644
--- a/nixos/tests/ferm.nix
+++ b/nixos/tests/ferm.nix
@@ -54,6 +54,7 @@ import ./make-test.nix ({ pkgs, ...} : {
       $client->waitForUnit("network.target");
       $server->waitForUnit("ferm.service");
       $server->waitForUnit("nginx.service");
+      $server->waitUntilSucceeds("ss -ntl | grep -q 80");
 
       subtest "port 80 is allowed", sub {
           $client->succeed("curl --fail -g http://192.168.1.1:80/status");