test: turn off debug output

test/test-connection-fetch-spillover.js

@@ -86,8 +86,7 @@ srv.listen(0, '127.0.0.1', function() {
     password: 'bar',
     host: '127.0.0.1',
     port: port,
-    keepalive: false,
+    keepalive: false
-    debug: console.log
   });
   imap.on('ready', function() {
     srv.close();