[gxml] Added TwDocument/SerializableObjectModel test set_namespace

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 359e130d4c7674a12fb475034798f253865cc97c
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri May 8 22:48:48 2015 -0500

    Added TwDocument/SerializableObjectModel test set_namespace

 test/SerializableObjectModel-Tw-Test.vala |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/test/SerializableObjectModel-Tw-Test.vala b/test/SerializableObjectModel-Tw-Test.vala
index d7bcf29..b0c74e7 100644
--- a/test/SerializableObjectModel-Tw-Test.vala
+++ b/test/SerializableObjectModel-Tw-Test.vala
@@ -281,20 +281,21 @@ class SerializableObjectModelTwTest : GXmlTest
          stdout.printf (@"Error: $(e.message)");
          assert_not_reached ();
        }
-     });/*
+     });
     Test.add_func ("/gxml/tw/serializable/object_model/set_namespace", () => {
       try {
         var ns = new NameSpace ();
         var doc = new TwDocument ();
         ns.serialize (doc);
-        assert (doc.root.to_string () == "<gxml:namespace xmlns:gxml=\"http://www.gnome.org/GXml\"/>");
+        string str = doc.to_string ();
+        assert ("<gxml:namespace xmlns:gxml=\"http://www.gnome.org/GXml\"/>" in str);
       } catch (GLib.Error e) {
 #if DEBUG
         GLib.message ("ERROR: "+e.message);
 #endif
         assert_not_reached ();
       }
-    });
+    });/*
   Test.add_func ("/gxml/tw/serializable/object_model/find-unknown_property", () => {
       try {
         var p = new Package ();