chore: remove jest

tests/__mocks__/fileMock.ts

@@ -1 +0,0 @@
-export default '';

tests/__mocks__/styleMock.ts

@@ -1 +0,0 @@
-export default {};

tests/__mocks__/workerMock.ts

@@ -1,5 +0,0 @@
-export default jest.fn().mockImplementation(() => ({
-  postMessage: jest.fn(),
-  onmessage: jest.fn(),
-  onerror: jest.fn(),
-}));

tests/test.spec.ts

@@ -1,16 +0,0 @@
-// import { mount } from '@vue/test-utils';
-// import { Button } from '/@/components/Button';
-
-test('if jest is normal.', async () => {
-  expect('jest').toEqual('jest');
-});
-
-// TODO Vue component testing is not supported temporarily
-// test('is a Vue instance.', async () => {
-//   const wrapper = mount(Button, {
-//     slots: {
-//       default: 'Button text',
-//     },
-//   });
-//   expect(wrapper.html()).toContain('Button text');
-// });