Add test menu button

Author: pcastornii

java/ceffx-demo/src/main/java/com/techsenger/ceffx/demo/tab/BrowserTabFxView.java

@@ -83,7 +83,7 @@ public void removeDevTools() {
 
     private final Button devToolsButton = new Button(null, new FontIcon(MaterialDesignT.TOOLS));
 
-    private final ToolBar toolBar = new ToolBar(backButton, forwardButton, addressTextField, 
+    private final ToolBar toolBar = new ToolBar(backButton, forwardButton, addressTextField, createMenuButton(),
             devToolsButton);
 
     private final VBox content = new VBox(toolBar);