test(editor): move blocksuite test to tests folder (#10917)

tests/blocksuite/e2e/database/title.spec.ts

@@ -0,0 +1,19 @@
+import { expect } from '@playwright/test';
+
+import {
+  enterPlaygroundRoom,
+  initDatabaseDynamicRowWithData,
+  initEmptyDatabaseState,
+} from '../utils/actions/misc.js';
+import { test } from '../utils/playwright.js';
+import { press } from './actions.js';
+
+test.describe('title', () => {
+  test('should able to link doc by press @', async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    await initEmptyDatabaseState(page);
+    await initDatabaseDynamicRowWithData(page, '123', true);
+    await press(page, '@');
+    await expect(page.locator('.linked-doc-popover')).toBeVisible();
+  });
+});