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

test/mjsunit/modules-default-name5.js

Index: test/mjsunit/modules-default-name5.js
diff --git a/test/mjsunit/modules-default-name5.js b/test/mjsunit/modules-default-name5.js
new file mode 100644
index 0000000000000000000000000000000000000000..d6e0e5c049ea5614c1bf7a3335e4e5d379151183
--- /dev/null
+++ b/test/mjsunit/modules-default-name5.js
@@ -0,0 +1,10 @@
+// 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-name5.js";
+assertEquals(
+    {value: "Gaga", configurable: true, writable: false, enumerable: false},
+    Reflect.getOwnPropertyDescriptor(goo, 'name'));