[modules] Add tests for the name property of default-exported functions.

test/mjsunit/modules-default-name7.js

Index: test/mjsunit/modules-default-name7.js
diff --git a/test/mjsunit/modules-default-name7.js b/test/mjsunit/modules-default-name7.js
new file mode 100644
index 0000000000000000000000000000000000000000..82904d4212325668c423cbd38b3f40c2833eefe6
--- /dev/null
+++ b/test/mjsunit/modules-default-name7.js
@@ -0,0 +1,11 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MODULE
+
+import {default as goo} from "modules-skip-default-name7.js";
+let descr = Reflect.getOwnPropertyDescriptor(goo, 'name');
+assertEquals(descr,
+    {value: descr.value, configurable: true, writable: true, enumerable: false});
+assertEquals("yo", descr.value());