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diff --git a/test/built-ins/AsyncGeneratorFunction/prototype/constructor.js b/test/built-ins/AsyncGeneratorFunction/prototype/constructor.js
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+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-asyncgeneratorfunction-prototype-constructor
+description: >
+  `constructor` property of the AsyncGeneratorFunction.prototype object
+info: |
+  The initial value of AsyncGeneratorFunction.prototype.constructor is the intrinsic
+  object %AsyncGeneratorFunction%.
+
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [async-iteration]
+---*/
+
+var AsyncGeneratorFunction = Object.getPrototypeOf(async function* () {}).constructor;
+
+assert.sameValue(AsyncGeneratorFunction.prototype.constructor, AsyncGeneratorFunction);
+
+verifyProperty(AsyncGeneratorFunction.prototype, "constructor", {
+  enumerable: false,
+  writable: false,
+  configurable: true,
+});