diff --git a/src/index-bar/test/index.spec.js b/src/index-bar/test/index.spec.js
index 67767edba..0d34deec0 100644
--- a/src/index-bar/test/index.spec.js
+++ b/src/index-bar/test/index.spec.js
@@ -1,10 +1,4 @@
-import { mount, trigger, triggerDrag } from '../../../test';
-
-function mockScrollIntoView() {
-  const fn = jest.fn();
-  Element.prototype.scrollIntoView = fn;
-  return fn;
-}
+import { mount, trigger, triggerDrag, mockScrollIntoView } from '../../../test';
 
 function mockOffsetHeight(offsetHeight) {
   Object.defineProperty(HTMLElement.prototype, 'offsetHeight', {
diff --git a/test/dom.ts b/test/dom.ts
index 518787d5b..b88984669 100644
--- a/test/dom.ts
+++ b/test/dom.ts
@@ -30,13 +30,12 @@ function mockHTMLElementOffset() {
   });
 }
 
-function mockScrollIntoView() {
-  Element.prototype.scrollIntoView = function() {};
+export function mockScrollIntoView() {
+  const fn = jest.fn();
+  Element.prototype.scrollIntoView = fn;
+  return fn;
 }
 
-mockScrollIntoView();
-mockHTMLElementOffset();
-
 export function mockGetBoundingClientRect(
   rect: ClientRect | DOMRect
 ): Function {
@@ -53,3 +52,6 @@ export function mockScrollTop(value: number) {
   Object.defineProperty(window, 'scrollTop', { value, writable: true });
   trigger(window, 'scroll');
 }
+
+mockScrollIntoView();
+mockHTMLElementOffset();
diff --git a/test/index.ts b/test/index.ts
index 2cbe84b5c..de479a8dd 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -1,7 +1,5 @@
 import Vue from 'vue';
 import { mount, TransitionStub } from '@vue/test-utils';
-import { trigger, triggerDrag } from './event';
-import { mockScrollTop, mockGetBoundingClientRect } from './dom';
 
 // prevent vue warning log
 Vue.config.silent = true;
@@ -16,10 +14,6 @@ export function later(delay: number = 0): Promise<void> {
   });
 }
 
-export {
-  mount,
-  trigger,
-  triggerDrag,
-  mockScrollTop,
-  mockGetBoundingClientRect,
-};
+export * from './dom';
+export * from './event';
+export { mount };