[gtk+] Fix notify test

[Matthias Clasen <matthiasc src gnome org>]

commit 1b6750c1f15cdafb793cb3d3dcb922c695136589
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 26 20:05:07 2017 -0500

    Fix notify test
    
    We need to pass a display when creating more GDK objects now.

 testsuite/gtk/notify.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/gtk/notify.c b/testsuite/gtk/notify.c
index f6f3ab7..2bd03dd 100644
--- a/testsuite/gtk/notify.c
+++ b/testsuite/gtk/notify.c
@@ -402,11 +402,15 @@ test_type (gconstpointer data)
     instance = G_OBJECT (g_object_ref (gtk_settings_get_default ()));
   else if (g_type_is_a (type, GDK_TYPE_WINDOW))
     {
-      instance = G_OBJECT (g_object_ref (gdk_window_new_popup (gdk_display_get_default (),
+      instance = G_OBJECT (g_object_ref (gdk_window_new_popup (display,
                                                                &(GdkRectangle) { 0, 0, 100, 100 })));
     }
   else if (g_str_equal (g_type_name (type), "GdkX11Cursor"))
     instance = g_object_new (type, "display", display, NULL);
+  else if (g_str_equal (g_type_name (type), "GdkClipboard"))
+    instance = g_object_new (type, "display", display, NULL);
+  else if (g_str_equal (g_type_name (type), "GdkDragContext"))
+    instance = g_object_new (type, "display", display, NULL);
   else
     instance = g_object_new (type, NULL);