content: import test from 'ava';
  import React from 'react';
  import { shallow } from 'enzyme';
  import sinon from 'sinon';
  
  import { Counter } from '../../components/Counter.jsx';
  
  
  test('it renders two buttons', t => {
      const wrapper = shallow(<Counter count={ 0 }/>);
      t.is(wrapper.find('button').length, 2);
  })
  
  test('it calls inc on inc button click', t => {
      const inc = sinon.spy();
      const wrapper = shallow(<Counter inc={ inc }/>);
  
      wrapper.find('#inc-btn').simulate('click');
      t.true(inc.calledOnce);
  })
  
  test('it calls dec on dec button click', t => {
      const dec = sinon.spy();
      const wrapper = shallow(<Counter dec={ dec }/>);
  
      wrapper.find('#dec-btn').simulate('click');
      t.true(dec.calledOnce);
  })
  