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diff --git a/js/src/tests/test262/built-ins/Promise/all/prop-desc.js b/js/src/tests/test262/built-ins/Promise/all/prop-desc.js
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+// Copyright 2015 Jordan Harband.  All rights reserved.
+// See LICENSE for details.
+
+/*---
+es6id: 25.4.4.1_A1.3_T1
+author: Jordan Harband
+description: Promise.all property descriptor
+info: |
+    ES6 Section 17
+
+    Every other data property described in clauses 18 through 26 and in Annex
+    B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+    [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Promise, 'all');
+verifyWritable(Promise, 'all');
+verifyConfigurable(Promise, 'all');
+
+reportCompare(0, 0);