docs(Search): update document (#4414)

src/search/test/index.spec.js

@@ -1,7 +1,7 @@
 import Search from '..';
 import { mount } from '../../../test/utils';
 
-test('listen input event', () => {
+test('input event', () => {
   const onInput = jest.fn();
   const wrapper = mount(Search, {
     context: {
@@ -18,7 +18,7 @@ test('listen input event', () => {
   expect(onInput).toHaveBeenCalledWith('1');
 });
 
-test('cancel search', () => {
+test('cancel event', () => {
   const onInput = jest.fn();
   const onCancel = jest.fn();
 
@@ -42,7 +42,7 @@ test('cancel search', () => {
   expect(onCancel).toHaveBeenCalled();
 });
 
-test('emit a search event', () => {
+test('search event', () => {
   const onSearch = jest.fn();
   const onKeypress = jest.fn();
 
@@ -63,7 +63,7 @@ test('emit a search event', () => {
   expect(onKeypress).toHaveBeenCalled();
 });
 
-test('render label slot', () => {
+test('label slot', () => {
   const wrapper = mount(Search, {
     scopedSlots: {
       label() {