[gtk/gtk-3-24] Skip GdkPixbuf in default-value tests

[Matthias Clasen <matthiasc src gnome org>]

commit 38edc38f21951b33daf5cd593f74ffc30ade5d5b
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 12 13:34:32 2018 -0500

    Skip GdkPixbuf in default-value tests

 testsuite/gtk/defaultvalue.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/testsuite/gtk/defaultvalue.c b/testsuite/gtk/defaultvalue.c
index d3afbb391a..0cb3073ce7 100644
--- a/testsuite/gtk/defaultvalue.c
+++ b/testsuite/gtk/defaultvalue.c
@@ -94,6 +94,10 @@ test_type (gconstpointer data)
   if (g_type_is_a (type, GTK_TYPE_APP_CHOOSER_DIALOG))
     return;
 
+  /* pixbufs without pixel data are just pointless */
+  if (g_type_is_a (type, GDK_TYPE_PIXBUF))
+    return;
+
   /* These leak their GDBusConnections */
   if (g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_BUTTON) ||
       g_type_is_a (type, GTK_TYPE_FILE_CHOOSER_DIALOG) ||