[ci skip]Fix JS test issues reported from QA (cocos2d#17691)

* Fix websocket sendbinary issue

* Fix web issues reported from QA

Author: pandamicro

tests/js-tests/src/ExtensionsTest/NetworkTest/WebSocketTest.js

@@ -135,7 +135,7 @@ var WebSocketTestLayer = cc.Layer.extend({
         };
 
 
-       this._wsiSendBinary = new WebSocket("ws://echo.websocket.org", ["protocol3"]);
+       this._wsiSendBinary = new WebSocket("ws://echo.websocket.org");
        this._wsiSendBinary.binaryType = "arraybuffer";
        this._wsiSendBinary.onopen = function(evt) {
            self._sendBinaryStatus.setString("Opened, url: " + self._wsiSendBinary.url + ", protocol: " + self._wsiSendBinary.protocol);