Add missing Capybara select2 helper

spec/support/select2_helper.rb

@@ -11,6 +11,11 @@
 #
 
 module Select2Helper
+  def capybara_select2(value)
+    # Taken from https://github.com/goodwill/capybara-select2/blob/master/gem/lib/capybara-select2.rb#L45
+    find('.select2-drop li.select2-result-selectable', text: value).click
+  end
+
   def select2(value, options = {})
     raise ArgumentError, 'options must be a Hash' unless options.is_a?(Hash)