fix: 完善单测demo

src/Test.vue

@@ -1,6 +1,7 @@
 <template>
   <span test-id="count">{{count}}</span>
-  <span test-id="title">{{getData.title}}</span>
+  <span test-id="id">{{obj.id}}</span>
+  <span test-id="title">{{obj.title}}</span>
   <button test-id="button" @click="click">click</button>
 </template>
 
@@ -13,16 +14,24 @@ export default {
   data () {
     return {
       count: 0,
-      getData: { id: 1, title: 'title' }
+      obj: { id: 1, title: 'title' }
     }
   },
   methods: {
     click () {
       this.count++
     },
-    async getPosts () {
-      axios.get('/api/posts').then(response => {
-        this.getData = response.data
+    async getObj () {
+      axios.get('/api/getObjId').then(response => {
+        this.obj.id = response.data
+      })
+      axios.get('/api/getObjTitle').then(response => {
+        this.obj.title = response.data
+      })
+    },
+    async getCount () {
+      axios.get('/api/getCount').then(response => {
+        this.count = response.data
       })
     }
   },