text: const Event = Jymfony.Contracts.EventDispatcher.Event;
  const { expect } = require('chai');
  
  describe('[Contracts] Event', function () {
      it('stop propagation flag is falsy at construction', () => {
          const event = new Event();
          expect(event.isPropagationStopped()).to.be.false;
      });
  
      it('stop propagation flag should be set correctly', () => {
          const event = new Event();
          expect(event.isPropagationStopped()).to.be.false;
  
          event.stopPropagation();
          expect(event.isPropagationStopped()).to.be.true;
      });
  });
  