问vue-test-utils，jest；ReferenceError:请求未定义

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 it('Expect login to pass validation on submit', ()=> {
    const $router = {
      push : jest.fn()
    }
    // const validateLogin = jest.fn();
    const executeLoginSpy = jest.spyOn(wrapper.vm, 'executeLogin');
    wrapper = mount(Login, {
      localVue,
      vuetify,
      mocks: { $router },
      stubs: ['router-link'],
      data() {
        return {
          login: {
              email: 'test@testmail.com',
              password: 'test@@@@@@@@123'
          }
        }
      }
    });
    const button = wrapper.find('.submit-btn');
    button.trigger('click');
    expect(executeLoginSpy).toHaveBeenCalled();
    expect($router.push).toBeCalledWith('/');
});

  const request = new Request('/api/token', {
    method: 'POST',
    body: formData,
  });