test: add test for SFC in script setup

Author: lmiller1990

e2e/__projects__/basic/components/ScriptSetup.vue

@@ -1,9 +1,12 @@
 <template>
   <button @click="increase">Count: {{ num }}</button>
+  <Basic />
   <span>{{ msg }}</span>
 </template>
 
 <script setup="props, { emit }" lang="ts">
+export { default as Basic } from './Basic.vue'
+
 import { ref } from 'vue'
 export const num = ref(5)
 const greet = () => console.log('greet')

e2e/__projects__/basic/test.js

@@ -36,6 +36,7 @@ function mount(Component, props, slots) {
 test('supports <script setup>', () => {
   mount(ScriptSetup)
   expect(document.body.outerHTML).toContain('Count: 5')
+  expect(document.body.outerHTML).toContain('Welcome to Your Vue.js App')
 })
 
 test('processes .vue files', () => {