Add test for `name` property of Date constructor

test/built-ins/Date/name.js

@@ -0,0 +1,24 @@
+// Copyright (c) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date-constructor
+es6id: 20.3.2
+description: Constructor "name" property descriptor
+info: >
+  17 ECMAScript Standard Built-in Objects:
+
+  Every built-in Function object, including constructors, that is not
+  identified as an anonymous function has a name property whose value is a
+  String.
+
+  Unless otherwise specified, the name property of a built-in Function object,
+  if it exists, has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Date.name, "Date");
+
+verifyNotEnumerable(Date, "name");
+verifyNotWritable(Date, "name");
+verifyConfigurable(Date, "name");