generateList(count, attrs = {}) {
    const list = [];
    let numberOfItemsToCreate = count;

    while (numberOfItemsToCreate) {
      list.push(this.generate(attrs));
      numberOfItemsToCreate--;
    }
    return list;
  }
Return a list

@public
@param {Number} count
@param {Object} If add more attributes
@returns {Array} List