made test for renew verb

tests/letstest/scripts/test_renew_standalone.sh

@@ -0,0 +1,22 @@
+#!/bin/bash -x
+
+# $PUBLIC_IP $PRIVATE_IP $PUBLIC_HOSTNAME $BOULDER_URL are dynamically set at execution
+
+# with curl, instance metadata available from EC2 metadata service:
+#public_host=$(curl -s http://169.254.169.254/2014-11-05/meta-data/public-hostname)
+#public_ip=$(curl -s http://169.254.169.254/2014-11-05/meta-data/public-ipv4)
+#private_ip=$(curl -s http://169.254.169.254/2014-11-05/meta-data/local-ipv4)
+
+cd letsencrypt
+./letsencrypt-auto certonly -v --standalone --debug \
+                   --text --agree-dev-preview --agree-tos \
+                   --renew-by-default --redirect \
+                   --register-unsafely-without-email \
+                   --domain $PUBLIC_HOSTNAME --server $BOULDER_URL
+
+./letsencrypt-auto renew --renew-by-default
+
+ls /etc/letsencrypt/archive/$PUBLIC_HOSTNAME | grep -q 2.pem
+if [ $? -ne 0 ] ; then
+    FAIL=1
+fi