Support ink scrolling final pr (#12567)

packages/cli/src/ui/components/StickyHeader.test.tsx

@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { Text } from 'ink';
+import { describe, it, expect } from 'vitest';
+import { StickyHeader } from './StickyHeader.js';
+import { renderWithProviders } from '../../test-utils/render.js';
+
+describe('StickyHeader', () => {
+  it('renders children', () => {
+    const { lastFrame } = renderWithProviders(
+      <StickyHeader width={80}>
+        <Text>Hello Sticky</Text>
+      </StickyHeader>,
+    );
+    expect(lastFrame()).toContain('Hello Sticky');
+  });
+});