补充设置boder-width不设置boder-style的测试用例

pages/CSS/border/border-width.uvue

@@ -3,6 +3,11 @@
   <scroll-view style="flex: 1">
     <!-- #endif -->
     <view style="flex-grow: 1">
+      <view>
+        <text>border-width: 5px (without border-style)</text>
+        <view class="common" style="border-width: 5px;"></view>
+      </view>
+
       <view>
         <text>border-width: 5px</text>
         <view class="common" style="border-width: 5px; border-style: solid;"></view>