def select_or_fill(field, value)
      case field_type(field)
      when :select
        begin
          select(value, :from => field)
        rescue Capybara::ElementNotFound
          raise Kelp::OptionNotFound,
            "Field '#{field}' has no option '#{value}'"
        end
      when :fillable_field
        fill_in(field, :with => value)
      end
    end
def select_or_fill(field, value)
      case field_type(field)
      when :select
        begin
          select(value, :from => field)
        rescue Capybara::ElementNotFound
          raise Kelp::OptionNotFound,
            "Field '#{field}' has no option '#{value}'"
        end
      when :fillable_field
        fill_in(field, :with => value)
      end
    end
Select a value from a dropdown or listbox, or fill in a text field,
 depending on what kind of form field is available. If `field` is a
 dropdown or listbox, select `value` from that; otherwise, assume
 `field` is a text box.

 @param [String] field
   Capybara locator for the field (name, id, or label text)
 @param [String] value
   Text to select from a dropdown or enter in a text box

 @raise [Kelp::AmbiguousField]
   If more than one field matching `field` is found
 @raise [Kelp::FieldNotFound]
   If no field matching `field` is found
 @raise [Kelp::OptionNotFound]
   If a dropdown matching `field` is found, but it has no
   option matching `value`

 @since 0.1.9