feat: 补充 v-model 测试例

pages/directive/v-model/v-model-composition.test.js

@@ -24,7 +24,9 @@ describe('defineModel', () => {
 
 
     const updateValueBtn = await page.$('#update-value-btn')
-    await updateValueBtn.tap()
+    await updateValueBtn.tap()
+    
+    expect(await modelNumText.text()).toBe('2')
 
     expect(await modelValueText.text()).toBe('str1')
     expect(await modelValueInput.value()).toBe('str1')