test(ContactList): add default-tag-text test

src/contact-list/test/__snapshots__/index.spec.ts.snap

@@ -13,6 +13,11 @@ exports[`should render ContactList correctly 1`] = `
       </i>
       <div class="van-cell__value van-cell__value--alone van-contact-list__item-value">
         jack，12345678
+        <transition-stub class="van-contact-list__item-tag">
+          <span class="van-tag van-tag--round van-tag--danger">
+            默认
+          </span>
+        </transition-stub>
       </div>
       <div role="radio"
            class="van-radio van-contact-list__radio"

src/contact-list/test/index.spec.ts

@@ -4,12 +4,14 @@ import { mount } from '../../../test';
 const contactInfo = {
   name: 'jack',
   tel: '12345678',
+  isDefault: true,
 };
 
 test('should render ContactList correctly', () => {
   const wrapper = mount(ContactList, {
     props: {
       list: [contactInfo],
+      defaultTagText: '默认',
     },
   });
   expect(wrapper.html()).toMatchSnapshot();