Fix tests

spec/daemon_spec.rb

@@ -4,6 +4,9 @@ describe Dyndnsd::Daemon do
   include Rack::Test::Methods
   
   def app
+    Dyndnsd.logger = Logger.new(STDOUT)
+    Dyndnsd.logger.level = Logger::UNKNOWN
+    
     config = {
       'domain' => 'example.org',
       'users' => {