style: fix lint code

Author: tangjinzhou

components/_util/transition.tsx

@@ -5,7 +5,7 @@ import type {
   TransitionGroupProps,
   TransitionProps,
 } from 'vue';
-import { nextTick, Transition as T, TransitionGroup as TG } from 'vue';
+import { nextTick, Transition, TransitionGroup } from 'vue';
 import { tuple } from './type';
 
 const SelectPlacements = tuple('bottomLeft', 'bottomRight', 'topLeft', 'topRight');
@@ -58,9 +58,6 @@ export const getTransitionGroupProps = (transitionName: string, opt: TransitionP
   return transitionProps;
 };
 
-let Transition = T;
-let TransitionGroup = TG;
-
 export declare type MotionEvent = (TransitionEvent | AnimationEvent) & {
   deadline?: boolean;
 };

components/select/__tests__/demo.test.js

@@ -1,3 +1,3 @@
 import demoTest from '../../../tests/shared/demoTest';
 
-demoTest('select');
+demoTest('select', { skip: 'big-data' });