diff --git a/packages/testing/src/UnitTestCase.php b/packages/testing/src/UnitTestCase.php
index 01b89cd0cdd..5cdd694d977 100644
--- a/packages/testing/src/UnitTestCase.php
+++ b/packages/testing/src/UnitTestCase.php
@@ -37,7 +37,7 @@ public static function setUpBeforeClass(): void
         }
 
         if (static::$needsRender) {
-            Render::swap(new RenderData());
+            self::mockCurrentRouteKey();
         }
     }