04-component-fixed-tests.js

describe('Counter', () => {
  ...
 
  it('should emit value incremented by step', async () => {
    await component.setProps({ step: 10 });
    component.vm.increment();
    expect(component.emitted('input')).toEqual([[10]]);
  });

  it('should emit value decremented by step', async () => {
    await component.setProps({ step: 10 });
    component.vm.decrement();
    expect(component.emitted('input')).toEqual([[-10]]);
  });
});