__bug.spec.js

//__bug.spec.js
describe('Bug', ()=>{
    before(() =>{
        cy.task('message', 'I\'m running!');
    });

    it('Should only log once', () => {
        cy.visit('https://www.google.com');
    });
});

//index.js
module.exports = (on) => {
    on('task', {
        message (args) {
            console.log(args);

            return null;
        }
    });
};