[MOD] 单元测试覆盖率达到95%

tests/Collapse.spec.js

@@ -5,7 +5,6 @@ import PropTypes from 'prop-types';
 import Enzyme, { mount, shallow } from 'enzyme';
 import Adapter from 'enzyme-adapter-react-15';
 import Collapse, {Panel} from '../src';
-import { setTimeout } from 'timers';
 
 Enzyme.configure({ adapter: new Adapter() });
 
@@ -60,8 +59,12 @@ describe('Collapse', () => {
         expect(wrapper.prop('accordion')).to.be(true)
     })
 
-    it('has correct click', () => {
+    it('has correct click', (done) => {
         wrapper.find('.kuma-collapse-header').at(2).simulate('click')
         expect(wrapper.state('activeKey')).to.be('3')
+        // 因为click后，需要等动画延迟后才会执行util.js中active和end
+        setTimeout(() => {
+            done()
+        }, 1000)
     })
 });