text: it('basic', function() {
      const regUuid = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/;
  
      for (let i = 0; i < 1000; i++) {
          expect(regUuid.test(uuid())).to.be.true;
      }
  });
  