[Improvement] update actionsheet close icon style (#340)

* fix: Tabbar icon line-height

* [new feature] progress add showPivot prop

* [new feature] TabItem support vue-router

* [new feature] update document header style

* [Doc] add toast english ducoment

* [bugfix] Search box-sizing wrong

* [Doc] update vant-demo respo

* [Doc] translate theme & demo pages

* [Doc] add Internationalization document

* [bugfix] remove unnecessary props

* [fix] optimize clickoutside

* [new feature] optimize find-parent

* [new feature]: change document title accordinng to language

* [new feature] Pagination code review

* [improvement] adjust icon-font unicode

* [improvement] Icon spinner color inherit

* [improvement] icon default width

* [bugfix] DateTimePicker validate date props

* [bugfix] Tab item text ellipsis

* [improvement] optimize single line ellipsis

* [Improvement] optimzie staticClass

* [Improvement] Button: use sfc instread of jsx

* [Improvement] update actionsheet close icon style

* fix: yarn.lock

* fix: icon test cases

test/unit/specs/icon.spec.js

@@ -18,18 +18,4 @@ describe('Icon', () => {
     expect(wrapper.hasClass('van-icon')).to.be.true;
     expect(wrapper.hasClass('van-icon-arrow')).to.be.true;
   });
-
-  it('emit a click event', () => {
-    wrapper = mount(Icon, {
-      propsData: {
-        name: 'arrow'
-      }
-    });
-
-    const eventStub = sinon.stub(wrapper.vm, '$emit');
-    wrapper.trigger('click');
-
-    expect(eventStub.calledOnce).to.be.true;
-    expect(eventStub.calledWith('click')).to.be.true;
-  });
 });