Make the haproxyTimeout e2e test more robust.

Delay for a bit after deployment, to make sure that haproxy
re-configuration/restart is complete before verifying the test.

test/e2e/haproxyTimeout/verify.sh

@@ -11,6 +11,9 @@ wait_until_ready app=varnish-ingress
 # the Pods.
 wait_until_configured app=varnish-ingress default 600
 
+# Delay for the haproxy reconfiguration.
+sleep 10
+
 kubectl port-forward svc/varnish-ingress ${LOCALPORT}:443 >/dev/null &
 ret=$?
 if [ $ret -ne 0 ]; then