see if node 7 builds can succeed

Author: flenter

test/server.js

@@ -917,8 +917,10 @@ 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 socket = new eioc.Socket(url);
+        // var url = 'ws://%s:%d'.s('0.0.0.50', port);
+        // console.log('url', url);
+        var socket = new eioc.Socket('ws://0.0.0.50:%d'.s(port));
+        // var socket = new eioc.Socket('ws://0.0.0.50:%d').s(port);
         socket.on('open', function () {
           done(new Error('Test invalidation'));
         });