Add rudimentary e2e test file

Author: maxkorp

typescript-sdk/apps/dojo/e2e/pages/a2aMiddlewarePages/A2AChatPage.ts

@@ -0,0 +1,15 @@
+import { Page, Locator, expect } from '@playwright/test';
+
+export class A2AChatPage {
+  readonly page: Page;
+  readonly mainChatTab: Locator;
+
+  constructor(page: Page) {
+    this.page = page;
+    this.mainChatTab = page.getByRole('tab', {name: 'Main Chat' });
+  }
+
+  async openChat() {
+    await this.mainChatTab.isVisible();
+  }
+}

typescript-sdk/apps/dojo/e2e/tests/a2aMiddlewareTests/a2aChatPage.spec.ts

@@ -0,0 +1,25 @@
+import {
+  test,
+  expect,
+  waitForAIResponse,
+  retryOnAIFailure,
+} from "../../test-isolation-helper";
+import { A2AChatPage } from "../../pages/a2aMiddlewarePages/A2AChatPage";
+
+test.describe("A2A Chat Feature", () => {
+  test("[A2A Middleware] Tab bar exists", async ({
+    page,
+  }) => {
+    await retryOnAIFailure(async () => {
+      await page.goto(
+        "/a2a-middleware/feature/a2a_chat"
+      );
+
+      const chat = new A2AChatPage(page);
+
+      await chat.openChat();
+      // This should already be handled previously but we just need a base case
+      await chat.mainChatTab.waitFor({ state: "visible" });
+    });
+  });
+});