Test React component method is calling function pass as a prop

I want to test that when calling a method from a React component it trigger a function pass to the component as a props. The method is something like this:

customMethod() {
  // Do something

  this.props.trackEvent({
    category: 'eventCategory',
    action: 'eventAction',
    label: 'eventAction',
  });

  // Do something else
}

The method can be called from different ways, so I want just to make a generic test: if customMethod is called, should trigger this.props.trackEvent with data.

Is there a way to trigger a method call using jest and/or enzyme? I've read about doing something like this:

const wrapper = shallow(<AdPage {...baseProps} />);
wrapper.instance().customMethod();

But it is not working… any ideas. I'm pretty new in the testing, so maybe should I use a different approach to this kind of tests?