Remove redundant serializer spec, reinstate creation of order distribution charges

app/models/spree/order_decorator.rb

@@ -1,8 +1,8 @@
 require 'open_food_network/distribution_change_validator'
 
-#ActiveSupport::Notifications.subscribe('spree.order.contents_changed') do |name, start, finish, id, payload|
-  #payload[:order].reload.update_distribution_charge!
-#end
+ActiveSupport::Notifications.subscribe('spree.order.contents_changed') do |name, start, finish, id, payload|
+  payload[:order].reload.update_distribution_charge!
+end
 
 Spree::Order.class_eval do
   belongs_to :order_cycle

spec/features/consumer/checkout_spec.rb

@@ -566,7 +566,7 @@ feature %q{
   end
 
   def checkout_fees_table
-    table = page.find 'tbody'
+    table = page.find 'tbody#cart_adjustments'
     rows = table.all 'tr'
     rows.map { |row| row.all('td').map { |cell| cell.text.strip } }
   end

spec/serializers/spree/image_serializer_spec.rb

@@ -1,9 +0,0 @@
-require 'spec_helper'
-
-describe Spree::ImageSerializer do
-  it "should give us the small url" do
-    image = Spree::Image.new(attachment: double(:attachment))
-    image.attachment.should_receive(:url).with(:small, false)
-    Spree::ImageSerializer.new(image).to_json
-  end
-end