Also set the log of the test suite to a file as it used to be

test/helper.rb

@@ -48,6 +48,7 @@ FIXTURES_DIR = File.join(File.dirname(__FILE__), "fixtures")
 config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml'))
 ActiveRecord::Base.logger = ActiveSupport::BufferedLogger.new(File.dirname(__FILE__) + "/debug.log")
 ActiveRecord::Base.establish_connection(config['test'])
+Paperclip.options[:logger] = ActiveRecord::Base.logger
 
 def reset_class class_name
   ActiveRecord::Base.send(:include, Paperclip::Glue)