1 files changed, 1 insertions, 4 deletions
diff --git a/deps/v8/test/mjsunit/es6/debug-promises/reject-with-undefined-reject.js b/deps/v8/test/mjsunit/es6/debug-promises/reject-with-undefined-reject.js
index d11c01ff73..4c57cf0237 100644
--- a/deps/v8/test/mjsunit/es6/debug-promises/reject-with-undefined-reject.js
+++ b/deps/v8/test/mjsunit/es6/debug-promises/reject-with-undefined-reject.js
@@ -66,10 +66,7 @@ function testDone(iteration) {
     }
   }
 
-  // Run testDone through the Object.observe processing loop.
-  var dummy = {};
-  Object.observe(dummy, checkResult);
-  dummy.dummy = dummy;
+  %EnqueueMicrotask(checkResult);
 }
 
 testDone(0);