Add Websocket Upgrade Test (#5613)

Co-authored-by: Your Name <you@example.com>
Co-authored-by: Frank Elsinga <frank@elsinga.de>
Co-authored-by: Louis Lam <louislam@users.noreply.github.com>

server/model/monitor.js

@@ -100,6 +100,8 @@ class Monitor extends BeanModel {
             parent: this.parent,
             childrenIDs: preloadData.childrenIDs.get(this.id) || [],
             url: this.url,
+            wsIgnoreSecWebsocketAcceptHeader: this.getWsIgnoreSecWebsocketAcceptHeader(),
+            wsSubprotocol: this.wsSubprotocol,
             method: this.method,
             hostname: this.hostname,
             port: this.port,
@@ -276,6 +278,14 @@ class Monitor extends BeanModel {
         return Boolean(this.ignoreTls);
     }
 
+    /**
+     * Parse to boolean
+     * @returns {boolean} Should WS headers be ignored?
+     */
+    getWsIgnoreSecWebsocketAcceptHeader() {
+        return Boolean(this.wsIgnoreSecWebsocketAcceptHeader);
+    }
+
     /**
      * Parse to boolean
      * @returns {boolean} Is the monitor in upside down mode?