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

test/mjsunit/modules-skip-default-name7.js

Index: test/mjsunit/modules-skip-default-name7.js
diff --git a/test/message/generators-throw1.js b/test/mjsunit/modules-skip-default-name7.js
similarity index 75%
copy from test/message/generators-throw1.js
copy to test/mjsunit/modules-skip-default-name7.js
index b4d404a1bf4d1e8f46c669c79f9ececd6f1ee64f..e4400ca409f91519cb16fdb0e0ca0df6453cbc95 100644
--- a/test/message/generators-throw1.js
+++ b/test/mjsunit/modules-skip-default-name7.js
@@ -2,6 +2,4 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-function* f() { yield }
-
-f().throw(42);
+export default (class { static name() {return "yo"} })