public void UpdateFieldValueInItem_NoDataSource_DoesNotSetsItem()
        {
            // Arrange
            _dropDownList = new DropDownList();
            _privateObject.SetFieldOrProperty(FieldDropList, _dropDownList);
            _privateObject.SetFieldOrProperty(FieldSelectedValueIndex, 0);

            // Act
            _testObject.UpdateFieldValueInItem();

            // Assert
            _item.ShouldBeNull();
        }