types: test cases typing

src/switch/test/index.spec.ts

@@ -1,5 +1,5 @@
 import Switch from '..';
-import { mount } from '@vue/test-utils';
+import { mount } from '../../../test';
 
 test('should emit update:modelValue event when click the switch button', async () => {
   const wrapper = mount(Switch);
@@ -47,7 +47,7 @@ test('should change active color when using active-color prop', () => {
     },
   });
 
-  expect(wrapper.element.style.backgroundColor).toEqual('black');
+  expect(wrapper.style.backgroundColor).toEqual('black');
 });
 
 test('should change inactive color when using inactive-color prop', () => {
@@ -57,7 +57,7 @@ test('should change inactive color when using inactive-color prop', () => {
     },
   });
 
-  expect(wrapper.element.style.backgroundColor).toEqual('black');
+  expect(wrapper.style.backgroundColor).toEqual('black');
 });
 
 test('should apply active color to loading icon', () => {
@@ -92,7 +92,7 @@ test('should change size when using size prop', () => {
     },
   });
 
-  expect(wrapper.element.style.fontSize).toEqual('20px');
+  expect(wrapper.style.fontSize).toEqual('20px');
 });
 
 test('should allow to custom active-value and inactive-value', () => {