chore: update tests

Author: atinux

test/basic.test.ts

@@ -10,6 +10,6 @@ describe('ssr', async () => {
   it('renders the index page', async () => {
     // Get response to a server-rendered page with `$fetch`.
     const html = await $fetch('/')
-    expect(html).toContain('<div>basic</div>')
+    expect(html).toContain('<h1>Hello World</h1>')
   })
 })

test/fixtures/basic/app.vue

@@ -0,0 +1 @@
+# Hello World