Bug 889034 - Use a dynamic port in places/ xpcshell tests so they can be run in parallel. r=mak

toolkit/components/places/tests/network/test_history_redirects.js

@@ -14,7 +14,8 @@ const TEMP_REDIR_PATH = "/tempredir";
 const FOUND_PATH = "/found";
 
 const HTTPSVR = new HttpServer();
-const PORT = 4444;
+HTTPSVR.start(-1);
+const PORT = HTTPSVR.identity.primaryPort;
 HTTPSVR.registerPathHandler(PERMA_REDIR_PATH, permaRedirHandler);
 HTTPSVR.registerPathHandler(TEMP_REDIR_PATH, tempRedirHandler);
 HTTPSVR.registerPathHandler(FOUND_PATH, foundHandler);
@@ -61,10 +62,7 @@ function PathHandler(aMeta, aResponse, aChannelEvent, aRedirURL) {
 function run_test() {
   do_test_pending();
 
-  HTTPSVR.start(PORT);
-
-  var chan = NetUtil.ioService
-                    .newChannelFromURI(uri("http://localhost:4444/permaredir"));
+  var chan = NetUtil.ioService.newChannelFromURI(uri(PERMA_REDIR_URL));
   var listener = new ChannelListener();
   chan.notificationCallbacks = listener;
   chan.asyncOpen(listener, null);