arkXtest测试用例调整 .Signed-off-by: <zhouke35@huawei.com>.

Signed-off-by: Nzhouke <zhouke35@huawei.com>

arkXtest/uitestScene/src/main/ets/MainAbility/pages/index.ets

@@ -115,6 +115,9 @@ struct ScrollExample {
           console.info(xOffset + ' ' + yOffset)
         })
       }.width('100%').height('100%').backgroundColor(0xDCDCDC)
+      Text('MainPage_End')
+        .fontSize(50)
+        .fontWeight(FontWeight.Bold)
     }
   }
 }