diff --git a/test/built-ins/ArrayBuffer/prototype/Symbol.toStringTag.js b/test/built-ins/ArrayBuffer/prototype/Symbol.toStringTag.js
index e096acf395..de28f1e553 100644
--- a/test/built-ins/ArrayBuffer/prototype/Symbol.toStringTag.js
+++ b/test/built-ins/ArrayBuffer/prototype/Symbol.toStringTag.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2015 the V8 project authors. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 /*---
+esid: sec-arraybuffer.prototype-@@tostringtag
 es6id: 24.1.4.4
 description: >
     `Symbol.toStringTag` property descriptor
diff --git a/test/built-ins/ArrayBuffer/prototype/constructor.js b/test/built-ins/ArrayBuffer/prototype/constructor.js
index dd71321368..5b2f483368 100644
--- a/test/built-ins/ArrayBuffer/prototype/constructor.js
+++ b/test/built-ins/ArrayBuffer/prototype/constructor.js
@@ -2,6 +2,7 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
+esid: sec-arraybuffer.prototype.constructor
 es6id: 24.1.4.2
 description: >
   The `ArrayBuffer.prototype.constructor` property descriptor.