test/dummy/config/application.rb in knock-1.5 vs test/dummy/config/application.rb in knock-2.0

@@ -17,10 +17,12 @@
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
 
-    # Do not swallow errors in after_commit/after_rollback callbacks.
-    config.active_record.raise_in_transactional_callbacks = true
+    unless Gem.loaded_specs["rails"].version.to_s =~ /^5/
+      # Do not swallow errors in after_commit/after_rollback callbacks.
+      config.active_record.raise_in_transactional_callbacks = true
+    end
   end
 end