Fix markdown specs.

lib/gitlab/reply_by_email.rb

@@ -7,7 +7,7 @@ module Gitlab
       def address_formatted_correctly?
         config.address &&
-        config.address.include?("%{reply_key}")
+          config.address.include?("%{reply_key}")
       end
       def reply_key

spec/support/markdown_feature.rb

@@ -9,6 +9,7 @@
 # reference to the factory-created objects.
 class MarkdownFeature
   include FactoryGirl::Syntax::Methods
+  include FixtureHelpers
   def user
     @user ||= create(:user)