fix test on node 7 (on travis)

Author: flenter

lib/server.js

@@ -45,7 +45,7 @@ function Server (opts) {
   this.allowUpgrades = false !== opts.allowUpgrades;
   this.allowRequest = opts.allowRequest;
   this.cookie = false !== opts.cookie ? (opts.cookie || 'io') : false;
-  this.origins = opts.origins !== undefined ? opts.origins : '*';
+  this.origins = opts.origins || '*';
   this.cookiePath = false !== opts.cookiePath ? (opts.cookiePath || '/') : false;
   this.cookieHttpOnly = false !== opts.cookieHttpOnly;
   this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || true) : false;

test/server.js

@@ -917,7 +917,7 @@ describe('server', function () {
     it('should trigger transport close before open for ws', function (done) {
       var opts = { transports: ['websocket'] };
       listen(opts, function (port) {
-        var url = 'ws://%s:%d'.s('0.0.0.50', port);
+        var url = 'ws://%s:%d'.s('0.0.0.0', port);
         var socket = new eioc.Socket(url);
         socket.on('open', function () {
           done(new Error('Test invalidation'));