Update Convex with no payload to be just like convex with payload but without payload

apps/next/tests/component/render.test.tsx

@@ -0,0 +1,11 @@
+import { render, screen } from '@testing-library/react';
+import { describe, expect, it } from 'vitest';
+
+const Greeting = ({ name }: { name: string }) => <p>Hello {name}</p>;
+
+describe('component test harness', () => {
+  it('renders through jsdom and Testing Library', () => {
+    render(<Greeting name='world' />);
+    expect(screen.getByText('Hello world')).toBeInTheDocument();
+  });
+});