refactor: move test utils to package (#3206)

tests/affine-local/e2e/blocksuite/block-hub.spec.ts

@@ -0,0 +1,13 @@
+import { test } from '@affine-test/kit/playwright';
+import { checkBlockHub } from '@affine-test/kit/utils/editor';
+import { openHomePage } from '@affine-test/kit/utils/load-page';
+import { newPage, waitEditorLoad } from '@affine-test/kit/utils/page-logic';
+
+test('block-hub should work', async ({ page }) => {
+  await openHomePage(page);
+  await waitEditorLoad(page);
+  await checkBlockHub(page);
+  await newPage(page);
+  await page.waitForTimeout(500);
+  await checkBlockHub(page);
+});