Create a mail method when inserting seed data

lib/tasks/dev.rake

@@ -9,6 +9,13 @@ namespace :openfoodnetwork do
       require_relative '../../spec/support/spree/init'
       task_name = "openfoodnetwork:dev:load_sample_data"
 
+      # -- MailMethod
+      # TODO: Remove me when in Spree 2.0. See http://guides.spreecommerce.org/release_notes/spree_2_0_0.html#mailmethod-model-no-longer-exists
+      Spree::MailMethod.create!(
+        environment: Rails.env,
+        preferred_mails_from: 'spree@example.com'
+      )
+
       # -- Shipping / payment information
       unless Spree::Zone.find_by_name 'Australia'
         puts "[#{task_name}] Seeding shipping / payment information"