fix: popop单元测试修改

src/packages/__VUE/overlay/doc.md

@@ -134,7 +134,7 @@ app.use(OverLay);
 | duration               | 动画时长，单位秒 | String, Number | `0.3`    |
 | overlay-class          | 自定义遮罩类名   | String         | -      |
 | overlay-style          | 自定义遮罩样式   | CSSProperties  | -      |
-| lock-scroll            | 背景是否锁定(`小程序不支持`)     | Boolean        | `true`  |
+| lock-scroll            | 背景是否锁定(`小程序不支持`)     | Boolean        | `false`  |
 | close-on-click-overlay | 是否点击遮罩关闭 | Boolean        | `true`   |
 
 ### Events

src/packages/__VUE/overlay/index.taro.vue

@@ -28,7 +28,7 @@ const overlayProps = {
   },
   lockScroll: {
     type: Boolean,
-    default: true
+    default: false
   },
   overlayStyle: {
     type: Object as PropType<CSSProperties>

src/packages/__VUE/popup/__tests__/popup.spec.ts

@@ -65,7 +65,7 @@ test('should lock scroll when showed', async () => {
   });
 
   await wrapper.setProps({ visible: true });
-  expect(document.body.classList.contains('nut-overflow-hidden')).toBeTruthy();
+  expect(document.body.classList.contains('nut-overflow-hidden')).toBeFalsy();
 });
 
 test('should not render overlay when overlay prop is false', () => {