create next.js e2e test (#305)

e2e-tests/template-create-nextjs.spec.ts

@@ -0,0 +1,20 @@
+import { test } from "./helpers/test_helper";
+import { expect } from "@playwright/test";
+
+test("create next.js app", async ({ po }) => {
+  await po.setUp();
+  // Select Next.js template
+  await po.goToHubTab();
+  await po.selectTemplate("Next.js Template");
+  await po.goToAppsTab();
+
+  // Create an app
+  await po.sendPrompt("tc=edit-made-with-dyad");
+  await po.approveProposal();
+
+  await po.clickRestart();
+
+  // This can be pretty slow because it's waiting for the app to build.
+  await expect(po.getPreviewIframeElement()).toBeVisible({ timeout: 25_000 });
+  await po.snapshotPreview();
+});