diff --git a/tests/face/dummy-face.hpp b/tests/face/dummy-face.hpp
index a28a1bb..4e4bb57 100644
--- a/tests/face/dummy-face.hpp
+++ b/tests/face/dummy-face.hpp
@@ -44,6 +44,7 @@
   virtual void
   close()
   {
+    this->onFail("close");
   }
 
   void