Add test for local file access

interface/resources/qml/hifi/tablet/DynamicWebview.qml

@@ -0,0 +1,11 @@
+import QtQuick 2.0
+import "../../controls" as Controls
+
+Controls.WebView {
+    id: root
+    function fromScript(message) {
+        root.url = message.url;
+    }
+}
+
+

scripts/developer/tests/ui/testLocalFileAccess.js

@@ -0,0 +1,55 @@
+"use strict";
+
+//  Created by Bradley Austin Davis on 2019/08/29
+//  Copyright 2013-2019 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+/* eslint indent: ["error", 4, { "outerIIFEBody": 0 }] */
+
+(function() { // BEGIN LOCAL_SCOPE
+
+    
+var QML_URL = "qrc:/qml/hifi/tablet/DynamicWebview.qml"
+var LOCAL_FILE_URL = "file:///C:/test-file.html"
+
+var TABLET_BUTTON_NAME = "SCRIPT";
+var ICONS = {
+    icon: "icons/tablet-icons/menu-i.svg",
+    activeIcon: "icons/tablet-icons/meni-a.svg"
+};
+
+
+var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
+var button = tablet.addButton({
+    icon: ICONS.icon,
+    activeIcon: ICONS.activeIcon,
+    text: TABLET_BUTTON_NAME,
+    sortOrder: 1
+});
+
+function onClicked() {
+    var window = Desktop.createWindow(QML_URL, {
+        title: "Local file access test",
+        additionalFlags: Desktop.ALWAYS_ON_TOP,
+        presentationMode: Desktop.PresentationMode.NATIVE,
+        size: { x: 640, y: 480 },
+        visible: true,
+        position: { x: 100, y: 100 },
+    });
+    window.sendToQml({ url: LOCAL_FILE_URL });
+}
+
+button.clicked.connect(onClicked);
+
+Script.scriptEnding.connect(function () {
+    button.clicked.disconnect(onClicked);
+    tablet.removeButton(button);
+});
+
+}()); // END LOCAL_SCOPE
+
+
+