[gtk] testsuite: Skip GtkDragIcon

[Matthias Clasen <matthiasc src gnome org>]

commit 256139baabd0558521d84b6d36bec3f62507e204
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 14 09:20:18 2020 -0500

    testsuite: Skip GtkDragIcon
    
    GtkDragIcon needs a special surface, so skip it
    in the notify tests.

 testsuite/gtk/notify.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/testsuite/gtk/notify.c b/testsuite/gtk/notify.c
index 9b02dd2b33..9df21507c6 100644
--- a/testsuite/gtk/notify.c
+++ b/testsuite/gtk/notify.c
@@ -415,6 +415,10 @@ test_type (gconstpointer data)
   if (g_type_is_a (type, GTK_TYPE_MOUNT_OPERATION))
     return;
 
+  /* Needs a special surface */
+  if (g_type_is_a (type, GTK_TYPE_DRAG_ICON))
+    return;
+
   klass = g_type_class_ref (type);
 
   if (g_type_is_a (type, GTK_TYPE_SETTINGS))