chore(e2e): add tabs & bottom nav test scenarios (#7434)

e2e/nested-frame-navigation/app/tabs-page/tabs-top-page.ts

@@ -0,0 +1,46 @@
+import { EventData } from "tns-core-modules/ui/page";
+import { Button } from "tns-core-modules/ui/button";
+
+export function onNavigate(args: EventData) {
+    const button = <Button>args.object;
+    button.page.frame.navigate("some-page/some-page");
+}
+
+export function onNavigateNone(args: EventData) {
+    const button = <Button>args.object;
+    button.page.frame.navigate({
+        moduleName: "some-page/some-page",
+        animated: false
+    });
+}
+
+export function onNavigateSlide(args: EventData) {
+    const button = <Button>args.object;
+    button.page.frame.navigate({
+        moduleName: "some-page/some-page",
+        animated: true,
+        transition: {
+            name: "slide",
+            duration: 300,
+            curve: "easeIn"
+        }
+    });
+}
+
+export function onNavigateFlip(args: EventData) {
+    const button = <Button>args.object;
+    button.page.frame.navigate({
+        moduleName: "some-page/some-page",
+        animated: true,
+        transition: {
+            name: "flip",
+            duration: 300,
+            curve: "easeIn"
+        }
+    });
+}
+
+export function onBackButtonTap(args: EventData): void {
+    const button = <Button>args.object;
+    button.page.frame.goBack();
+}