test: fix node 4 tests

Tapppi · Aug 3, 2017 · 073ee3c · 073ee3c
1 parent 2472fc2
commit 073ee3c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/test/cases/stub.js b/test/cases/stub.js
@@ -1,5 +1,5 @@
 // Stub to make sure that the required callbacks are called by exit-hook
-
+'use strict';
 let c = 0;
 let noCallback = true;