Add ability to deselct tags via DSL

README.md

@@ -67,6 +67,12 @@ If select2 field has [tags](http://ivaynberg.github.io/select2/#tags) option you
 select2_tag('value', from: 'Label of input')
 ```
 
+To deselect tag just do the following:
+
+```ruby
+select2_deselect_tag('value', from: 'Label of input')
+```
+
 ## Contributing
 
 1. Fork it

gem/lib/capybara/selectors/tag_selector.rb

@@ -2,13 +2,24 @@ module Capybara
   module Selectors
     module TagSelector
       def select2_tag(value, options = {})
+        find_select2_input(options).set(value)
+        find('.select2-drop li', text: value).click
+      end
+
+      def select2_deselect_tag(value, options = {})
+        find_select2_input(options).parent
+          .find('.select2-choices div', text: value)
+          .find(:xpath, 'following-sibling::a').click
+      end
+
+      private
+
+      def find_select2_input(options)
         if options[:from]
-          find(:fillable_field, options[:from]).set(value)
+          find(:fillable_field, options[:from])
         else
-          find('input.select2-input').set(value)
+          find('input.select2-input')
         end
-
-        find('.select2-drop li', text: value).click
       end
     end
   end