chore: migrate blocksuite test (#9222)

blocksuite/tests-legacy/utils/actions/block.ts

@@ -0,0 +1,25 @@
+import type { Page } from '@playwright/test';
+
+import { waitNextFrame } from './misc.js';
+
+export async function updateBlockType(
+  page: Page,
+  flavour: BlockSuite.Flavour,
+  type?: string
+) {
+  await page.evaluate(
+    ([flavour, type]) => {
+      window.host.std.command
+        .chain()
+        .updateBlockType({
+          flavour,
+          props: {
+            type,
+          },
+        })
+        .run();
+    },
+    [flavour, type] as [BlockSuite.Flavour, string?]
+  );
+  await waitNextFrame(page, 400);
+}