Add a test mode

src/freedombone-backup-remote

@@ -549,25 +549,27 @@ function backup_extra_directories {
 }
 
 backup_configuration
-backup_users
-backup_letsencrypt
-backup_gnusocial
-backup_hubzilla
-backup_owncloud
-backup_gogs
-backup_wiki
-backup_blog
-backup_certs
-backup_mailing_list
-backup_xmpp
-backup_web_server
-backup_admin_readme
-backup_ipfs
-backup_dlna
-backup_voip
-backup_tox
-backup_mariadb
-backup_extra_directories
+if [[ "$1" != "test" ]]; then
+    backup_users
+    backup_letsencrypt
+    backup_gnusocial
+    backup_hubzilla
+    backup_owncloud
+    backup_gogs
+    backup_wiki
+    backup_blog
+    backup_certs
+    backup_mailing_list
+    backup_xmpp
+    backup_web_server
+    backup_admin_readme
+    backup_ipfs
+    backup_dlna
+    backup_voip
+    backup_tox
+    backup_mariadb
+    backup_extra_directories
+fi
 
 # For each remote server
 while read remote_server