code: function _fillInputText(element, value, next) {
          var onFilled = chainAndErrorCallback.call(this, null, next);
          var onClear = chainAndErrorCallback.call(this, function () {
              element.type(value || '', onFilled);
          }, onFilled);
  
          element.clear(onClear);
      }
docs: fill an input text or a textarea