From 3679ce9f843c52676b9b54a813a953e1c1b737b3 Mon Sep 17 00:00:00 2001
From: Mark Hammond <mhammond@skippinet.com.au>
Date: Tue, 11 Aug 2015 10:58:54 +1000
Subject: [PATCH] Bug 1185629 - ensure Sync tests arrange for an auto-selected
 allowed port for its test servers. r=oeger

---
 services/sync/tests/unit/head_http_server.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/services/sync/tests/unit/head_http_server.js b/services/sync/tests/unit/head_http_server.js
index c917c4988c2..82fb89e9034 100644
--- a/services/sync/tests/unit/head_http_server.js
+++ b/services/sync/tests/unit/head_http_server.js
@@ -545,13 +545,13 @@ SyncServer.prototype = {
    * Start the SyncServer's underlying HTTP server.
    *
    * @param port
-   *        The numeric port on which to start. A falsy value implies the
-   *        default, a randomly chosen port.
+   *        The numeric port on which to start. -1 implies the default, a
+   *        randomly chosen port.
    * @param cb
    *        A callback function (of no arguments) which is invoked after
    *        startup.
    */
-  start: function start(port, cb) {
+  start: function start(port = -1, cb) {
     if (this.started) {
       this._log.warn("Warning: server already started on " + this.port);
       return;