block14.ts

import store from '../../src/store'
// ...
it('adds task from input field, if enter key is pressed', (done) => {
  const spy = jest.spyOn(store, 'dispatch'); // 0
  const givenValue = "A very special value";

  const wrapper = mount(NewTaskInput, { store }); 
  const input = wrapper.find('input');
  input.element.value = givenValue; // 1
  input.trigger('input');           // 2
  input.trigger('keyup.enter');     // 3

  wrapper.vm.$nextTick(() => { // 4
	  expect(spy).toHaveBeenCalledWith({
	    type: Actions.AddTask,
	    title: givenValue
	  });
	  done(); // 5
  });
});