Ensure database cleaning is very last in each spec

lib/solidus_support/extension/rails_helper.rb

@@ -31,15 +31,15 @@
   end
 
   # Before each spec check if it is a Javascript test and switch between using database transactions or not where necessary.
-  config.before :each do
+  config.prepend_before :each do
     DatabaseCleaner.strategy = RSpec.current_example.metadata[:js] ? :truncation : :transaction
     DatabaseCleaner.start
 
     reset_spree_preferences
   end
 
   # After each spec clean the database.
-  config.after :each do
+  config.append_after :each do
     DatabaseCleaner.clean
   end
 end