feat: 解决vue组件单元测试复杂的环境依赖，以及提交NetworkOverviewLine单元测试用例

src/Test.vue

@@ -1,21 +1,29 @@
 <template>
-  <span data-test="count">{{count}}</span>
-  <button data-test="button" @click="click">click</button>
+  <span test-id="count">{{count}}</span>
+  <span test-id="title">{{getData.title}}</span>
+  <button test-id="button" @click="click">click</button>
 </template>
 
 <script>
 /* vue-jest的测试示例 */
 import VueRouter from 'vue-router'
+import axios from 'axios'
 export default {
   name: 'Test',
   data () {
     return {
-      count: 0
+      count: 0,
+      getData: { id: 1, title: 'title' }
     }
   },
   methods: {
     click () {
       this.count++
+    },
+    async getPosts () {
+      axios.get('/api/posts').then(response => {
+        this.getData = response.data
+      })
     }
   },
   created () {