feat: update test for limit

Author: dongbanban

src/hooks/useSearchConfig.ts

@@ -21,8 +21,8 @@ export default function useSearchConfig(showSearch?: CascaderProps['showSearch']
       };
     }
 
-    if ((searchConfig.limit as number) <= 0 && searchConfig.limit !== false) {
-      delete searchConfig.limit;
+    if ((searchConfig.limit as number) <= 0) {
+      searchConfig.limit = false;
 
       if (process.env.NODE_ENV !== 'production') {
         warning(false, "'limit' of showSearch should be positive number or false.");

tests/search.limit.spec.tsx

@@ -55,7 +55,7 @@ describe('Cascader.Search', () => {
 
     doSearch(wrapper, 'as');
     const itemList = wrapper.find('div.rc-cascader-menu-item-content');
-    expect(itemList).toHaveLength(50);
+    expect(itemList).toHaveLength(100);
   });
 
   it('limit', () => {