diff --git a/container/src/root/test/unit/utility.hh b/container/src/root/test/unit/utility.hh
index e74db59..848f75b 100644
--- a/container/src/root/test/unit/utility.hh
+++ b/container/src/root/test/unit/utility.hh
@@ -341,6 +341,12 @@ TEST_F(CommonFree, exec)
   ASSERT_EQ(common::exec("pwd"), 0);
 }
 
+TEST_F(CommonFree, exit)
+{
+  // NOTE: no-op (or else entire framework exits).
+  // Execution is covered in functional tests (gitea workflow).
+}
+
 TEST_F(CommonFree, make_timestamp)
 {
   ASSERT_EQ(common::make_timestamp().size(), 20);