repro: v3.0.1 wrapper.vm type issue

Author: cexbrayat

src/components/HelloWorld.vue

@@ -1,43 +1,21 @@
 <template>
   <div class="hello">
     <h1>{{ msg }}</h1>
-    <p>
-      For a guide and recipes on how to configure / customize this project,<br>
-      check out the
-      <a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
-    </p>
-    <h3>Installed CLI Plugins</h3>
-    <ul>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-typescript" target="_blank" rel="noopener">typescript</a></li>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-unit-jest" target="_blank" rel="noopener">unit-jest</a></li>
-    </ul>
-    <h3>Essential Links</h3>
-    <ul>
-      <li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
-      <li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
-      <li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
-      <li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
-      <li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
-    </ul>
-    <h3>Ecosystem</h3>
-    <ul>
-      <li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
-      <li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
-      <li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
-      <li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
-      <li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
-    </ul>
+    {{ user.name }}
   </div>
 </template>
 
 <script lang="ts">
-import { defineComponent } from 'vue';
+import { defineComponent, reactive } from 'vue';
 
 export default defineComponent({
   name: 'HelloWorld',
   props: {
     msg: String,
   },
+  setup() {
+    return { user: reactive({ name: 'Cédric' }) };
+  }
 });
 </script>
 

tests/unit/example.spec.ts

@@ -8,5 +8,6 @@ describe('HelloWorld.vue', () => {
       props: { msg }
     })
     expect(wrapper.text()).toMatch(msg)
+    expect((wrapper.vm.user as any).name).toBe('Cédric');
   })
 })