text: const assert = require('assert');
  const User = require('../src/user');
  
  describe('Creating records', function () {
      it('Save a User', function (done) {
          const adam = new User({name : 'Adam' }); //This new Model doesn't insert in database yet
          adam.save()
              .then(()=>{
                  assert(!adam.isNew);//Confirms if model instance adam is not yet persisted in MongoDB
                  done();
          });
          
      });
  });