diff --git a/src/TestCase.php b/src/TestCase.php
index 4c229a7..f075f0b 100644
--- a/src/TestCase.php
+++ b/src/TestCase.php
@@ -61,8 +61,10 @@ abstract class TestCase extends BaseTestCase {
 
   static function setUpBeforeClass(): void {
     parent::setUpBeforeClass();
-    if (class_exists('nulib\output\msg')) {
-      \nulib\output\msg::set_messenger_class(\nulib\output\std\StdMessenger::class);
+    if (class_exists('nulib\output\con')) {
+      $con = \nulib\output\con::get();
+      \nulib\output\say::set_messenger_class($con);
+      \nulib\output\msg::set_messenger_class($con);
     }
   }