fix(WebSocket patch): fix WebSocket constants copy (#299)

fix(WebSocket patch): fix WebSocket constants copy (#299)

Author: mtsmfm

Diff for: lib/browser/websocket.ts

@@ -30,5 +30,5 @@ export function apply(_global: any) {
 
     return proxySocket;
   };
-  (<any>global).WebSocket.prototype = Object.create(WS.prototype, {constructor:{value: WebSocket}});
+  for (var prop in WS) { _global.WebSocket[prop] = WS[prop]; }
 }

Diff for: test/browser/WebSocket.spec.ts

@@ -118,5 +118,12 @@ if (!window['soucelabs']) {
         done();
       }, 100);
     }, TIMEOUT);
+
+    it('should have constants', function () {
+      expect(Object.keys(WebSocket)).toContain('CONNECTING');
+      expect(Object.keys(WebSocket)).toContain('OPEN');
+      expect(Object.keys(WebSocket)).toContain('CLOSING');
+      expect(Object.keys(WebSocket)).toContain('CLOSED');
+    });
   }));
 }